Flavio A. Alves-Júnior

Flavio A. Alves-Júnior
Federal University of Pará | UFPA · Departament of Aquatic Ecology and Fisheries

Biologist and Geographer
Visitant Professor at UFPA. Working with ecology and taxonomy of crustaceans in freshwater and marine habitats.

About

84
Publications
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Introduction
PhD in Oceanography at Federal University of Pernambuco (Brazil). I work with ecology of Deep-Sea crabs and shrimps in Brazilian waters and aspects as taxonomy and geographic distribution of crustaceans in deep sea (Atlantic Ocean).

Publications

Publications (84)
Article
We report the smallest ovigerous female of Iridonida iris (A. Milne Edwards, 1880) in the literature, collected in the Great Amazon Reef System (GARS). This finding raises some questions about the presence of deep-sea species associated with the GARS, which may be acting as a breeding and migration environment for both coastal and continental slope...
Article
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The genus Gastrocopta Wollaston, 1878 includes land microsnails belonging to the family Gastrocoptidae Pilsbry, 1918 that live in a variety of terrestrial ecosystems in tropical and temperate regions. This paper records the land microsnail Gastrocopta pellucida hordeacella (Pilsbry, 1890) in the semiarid region of Brazil, expanding knowledge on the...
Article
This study reports the presence of high parasitic load by Myzobdella lugubris Leidy, 1851 in the swimming crab Callinectes bocourti A. Milne-Edwards, 1879 from Amazon mangrove. We sampled the swimming crabs using a baited trap, between January and June 2023, in Santa Maria River, located in the municipality of Curuçá, state of Pará, Brazil (geograp...
Article
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The family Parapaguridae Smith, 1882 includes 11 genera and 93 species distributed worldwide, occurring from coastal zones to deep-sea . The genus Parapagurus Smith, 1879 contains 17 species, being Parapagurus pilosimanus Smith, 1879 widely reported in western and eastern Atlantic, along the continental slope, reaching depths of 3.864 m, with punct...
Article
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In this study we report a new occurrence of Paragonimus Braun, 1899 in the Amazon province, recovered from a new host, the semi-terrestrial sesarmid crab Armases benedicti (Rathbun, 1897). Additionally, we would like to alert the health authorities to the presence of trematodes in the urban area of Belém-PA. The specimens of A. benedicti were manua...
Article
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O presente estudo descreve a cadeia de suprimentos da ostreicultura no nordeste paraense. A pesquisa foi desenvolvida por meio de levantamento de informações bibliográficas, coleta de dados em campo e análise dos bancos de dados. A cadeia de suprimentos da ostreicultura na área de estudos tem se desenvolvido de forma significativa e contribui com m...
Article
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Neste trabalho, apresentamos a caracterização da pesca e alguns dados biológicos do camarão invasor Macrobrachium rosenbergii (De Man, 1879) coletados na Ilha de Mosqueiro, distrito de Belém-PA. As coletas foram realizadas entre Março de 2013 a Fevereiro 2014, na Ilha de Mosqueiro (01º 27' 21" S/ 48º 30' 16" O), Distrito de Belém-PA. As coletas men...
Article
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The isopod Rocinela signata Schioedte & Meinert, 1879 (Aegidae) is largely recorded in literature as ectoparasites of marine fishes; however, the full list of hosts is still far from complete. We report the occurrence of R. signata as ectoparasite from a new host: Lutjanus purpureus (Poey, 1866), an important fishery resource in the northern region...
Article
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O presente trabalho traz a caracterização da pesca artesanal, realizada nos municípios de Cutías, Ferrreira Gomes, Itaubal, Macapá, Mazagão e Santana, pertencentes ao Estado do Amapá, evidenciando a percepção ambiental do pescador sobre a sua atividade. No Amapá pesca é caracterizada por quatro tipos de embarcações que são utilizadas nas pescarias...
Article
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Case studies reporting crustaceans acting as basibionts for a wide range of encrusting invertebrates are widely observed in the literature. For swimming crabs of the genus Callinectes, these commensal interactions are commonly observed in estuaries and coastal zones worldwide. Despite the broad distribution of Callinectes bocourti A. Milne-Edwards,...
Article
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Herein, we report the first observation of the metacercaria Opisthorchis sp. Blanchard, 1895 recovered from a new intermediate host Macrobrachium amazonicum (Heller, 1862), an important food resource from northern Brazil, emphasising the risk of contamination from inappropriate human consumption. The shrimp specimens of M. amazonicum were collected...
Article
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In this study, we report the association between the pea crab Zaops ostreum (Say, 1817) living in the oyster Crassostrea brasiliana (Lamarck, 1819), collected in an estuarine region of Northeast Brazil. Oysters were collected along the mouth of the Santa Cruz Channel, Barra de Catuama (State of Pernambuco), between 2016 and 2017. A total of 224 oys...
Article
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This study presents updated information on six exotic aquatic species (five crustaceans and one fish): Macrobrachium rosenbergii, Penaeus monodon, Charybdis hellerii, Balanus trigonus, Amphibalanus improvisus, and Pterois volitans. The research is based on bibliographic information available in scientific articles published by the Research Group Fi...
Article
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O presente estudo tem como o objetivo avaliar o perfil epidemiológico da saúde nutricional dos pescadores artesanais da cidade paraense de São Caetano de Odivelas. A coleta de dados ocorreu, entre Agosto e Novembro de 2022, com pescadores artesanais cadastrados e efetivos junto a Colônia de Pescadores Z-4. Participaram do estudo 78 pescadores prof...
Article
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In this paper, we report the northernmost Brazilian record of the red lionfish Pterois volitans (Linnaeus, 1758), highlighting the risk of bioinvasion of the species in French Guiana waters. The specimen of P. volitans was accidentally caught in June 2023, by artisanal multispecies fishery with gillnets in coastal waters in the region of Orange Cap...
Article
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Ecological associations are widely reported in literature, covering several levels in the trophic chain or with different species interaction. However, the epibiosis between coral and gastropod species is still rarely observed in Brazil. Based on that, herein we report the epibiosis between the coral species Astrangia solitaria (Le Sueur, 1817) and...
Article
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The lionfish Pterois volitans (Linnaeus, 1758) is considered the most well-established fish species in non-native regions around the world, causing severe environmental damage and risks for the food chain. In Brazil, the lionfish was reported for the first time in 2014 in the State of Rio de Janeiro, and currently, the P. volitans was observed in m...
Article
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In this paper, we report for the first time the occurrence of the swimming crab Charybdis hellerii (A. Milne-Edwards, 1867) on the continental shelf of Amapá State. Four specimens were collected as bycatch fauna during industrial fishing operations targeting the southern brown shrimp. The specimens have been deposited in the Carcinological Collecti...
Article
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The red lionfish is an invasive species in the Atlantic, occurring from the USA to Brazil. Strategies to control this invasion include promoting the consumption of lionfish on a local commercial scale. Aiming to encourage the exploitation for consumption, and thus, contributing to the control of the invasion, we determined the fillet yield of the r...
Article
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In this paper, we report the palicid crab, Palicus gracilis (Smith, 1883), from the southwestern Atlantic (in Brazilian waters) for the first time. The ovigerous female specimen was collected on May 8, 2011, by a bottom trawl along the continental slope in the State of Rio Grande do Norte, on board of the R/V Seward Johnson, using a semi-balloon ot...
Article
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The bioinvasion of the lionfish Pterois volitans is increasingly being observed along the northern coast of Brazil, leading to risks to the environment, such as biodiversity reduction, and to the human health, due to incidents with the animal. Thus, we report new occurrences of lionfish at the Great Amazon Reef System (GARS), caught by commercial f...
Article
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The spiny lobsters of the genus Panulirus White, 1847 are widely exploited andcommercialized in northern and northeastern Brazilian coastal regions. One of thespecies, the smoothtail spiny lobster Panulirus laevicauda (Latreille, 1817) had itsdistribution demarcated from Amapá to Santa Catarina State, but it was dubiouslyrecorded in northern coast...
Article
Full-text available
The red lionfish is an invasive species in the Atlantic, occurring from the USA to Brazil. Strategies to control this invasion include promoting the consumption of lionfish on a local commercial scale. Aiming to encourage the exploitation for consumption, and thus, contributing to the control of the invasion, we determined the fillet yield of the r...
Article
Full-text available
Paracalanid copepods, common in tropical zooplankton communities, are known hosts for a variety of parasites. Nevertheless, relatively little is known about the prevalence and consequences of parasitism in these copepods. In this study, we analyzed the relationship between two paracalanid copepods, Parvocalanus crassirostris and Paracalanus spp., w...
Preprint
Full-text available
The lionfish Pterois volitans (Linnaeus, 1758) is considered the most well-established fish species in non-native regions around the world, causing severe environmental damage and risks for the food chain. In Brazil, the lionfish was reported for the first time in 2014 in the State of Rio de Janeiro, and currently, the P. volitans was observed in m...
Article
An annotated checklist of the intertidal species of burrowing shrimps of the Brazilian coast is provided from samples collected during latitudinal research expeditions between 2015 and 2018. A total of 1166 specimens of nine species were collected along these expeditions. These species are listed by infraorder and family as follow: Axiidea: Callian...
Article
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A new record of the red lionfish Pterois volitans is related to the Amazon River plume. The specimen examined is an adult male, total length 34 cm and weight 620g, caught at june 4th, 2022, by artisanal multispecies fishery, with gillnet at Amapá State, next to Cabo Orange National Park, 04°03'02,67 N 050°56'11,22W, depth of 10 m, in soft bottom (s...
Article
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Associations between crustaceans and its epibionts are widely reported around the world in several aspects as: commensal-ism, symbiosis, parasitism or mutualism. However, these relations in crustaceans for the northern region of Brazil remains unknown. The specimens were collected during commercial fishing operations along the continental shelf (01...
Article
We report morphological abnormalities for the specimens of Macrobrachium amazonicum (Heller, 1862) collected from the Amazon province in the State of Pará, Brazil, using a local trap called "matapi" at the lower Tocantins River, from June 2004 to May 2005. After sampling, the specimens were sorted out, fixed in ethanol and deposited in the carcinol...
Article
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Euphausiids are a diverse order of crustaceans that play a key role in pelagic food webs. The genus Thysanopoda H. Milne Edwards, 1830 is composed of 14 valid species, widely distributed in all oceans. However, some gaps remain in our knowledge of the geographic distribution of Thysanopoda cristata G. O. Sars, 1883, and its actual occurrence in Bra...
Article
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In this paper, we describe the first association of the ostreid species Ostrea puelchana d'Orbigny, 1842, as new epibiont in Eriphia gonagra (Fabricius, 1781), with material collected in Northeastern Brazil. The specimens of E. gonagra were collected manually in November of 2020 during the low tide in the Barra de Catuama beach, State of Pernambuco...
Article
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A new species of the genus Cyphocaris Boeck, 1871, is described. The material examined was collected during the "Acoustics along the Brazilian Coast" (Abraços 1) project, by micronektonic trawls at a targeted depth of 525 m, off the Rocas Atoll, Rio Grande do Norte state, Brazil. Cyphocaris boecki sp. nov. can be grouped with the eyed species in th...
Article
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The slipper lobster Scyllarides brasiliensis Rathbun, 1906 (Scyllaridae Latreille, 1825) has a broad distribution in Western Atlantic, however with disjoint records in costal zones between 20 and 40 m, associated in bottoms of gravel and coral reefs. From Brazilian waters, this species has been recorded from States of Maranhão to Bahia and with spo...
Article
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The coral crab Carpilius corallinus (Herbst, 1783) is popularly known in Brazil as “Guajá”, which is widely distributed in tropical marine areas, associated with coral reefs in costal zones. C. coralinus occurs in Brazilian waters with disjunct distribution, covering the States from Ceará to Alagoas, with specific records in States of Bahia, São Pa...
Article
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The family Eurytheneidae Stoddart & Lowry, 2004 is monotypic, including only the genus Eurythenes Smith, 1882, which is composed by Meso- and benthopelagic amphipods, with large vertical distribution in water column and can be reach depths of 5000 m, especially in muddy bottoms, in association with the great offer of organic matter in deep environm...
Article
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The circumtropical shrimp Stenopus hispidus (Olivier, 1811) (Stenopodidae Claus, 1872) is popularly known as “clown shrimp”. This species is very common in aquarium trade due to its ornamentation and easy capture on the coral reefs and rock substrates. S. hispidus is widely distributed in all oceans, including the oceanic islands. In Brazilian wate...
Article
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Brazil oil spill disaster affected several ecosystems and species-rich areas. The shallow-water reefs of Paiva beach are among the best-preserved coastal environments in the State of Pernambuco (NE Brazil), but were severely affected by oil arrival at the end of 2019. The reefs are densely covered by macroalgae as important biogenic substrates for...
Chapter
The deep sea is one of the last frontiers to biodiversity knowledge mainly due to the difficulties to access this environment. Additionally, the deep sea is constantly suffering anthropogenic impact (fishery activities, mininger exploration, and pollution). Recent efforts have contributed to knowledge on deep-sea Decapoda in Brazilian waters. Howev...
Article
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The family Pseudorhombilidae Alcock, 1900 is widely distributed in the tropical western Atlantic, occurring from shallow waters to the continental slope, inhabiting sandy, gravelly, or muddy substrates. Despite the broad distribution of this family in the Americas, the species Pseudorhombila octodentata Rathbun, 1906 and Pseudorhombila quadridentat...
Article
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Here, we report the first occurrence of Trizocarcinus Rathbun, 1914 (Brachyura: Euryplacidae) from the South Atlantic (Brazil). Trizocarcinus tacitus Chace, 1940 was collected in the upper continental slope of the Potiguar Basin, northeastern Brazil. The new record expands by 3000 km the southern distribution of the species in the Western Atlantic.
Article
Full-text available
Este trabalho foi realizado com objetivo de quantificar a carcinofauna acompanhante por estação do ano, período do dia e faixa de profundidade na pesca industrial do camarão-rosa na Plataforma Continental Amazônica. O estudo foi realizado a partir de 152 registros de operações de pesca ou arrastos de fundo, sendo 72 na época de chuva (dezembro a ma...
Article
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In this paper we report the first occurrence of two rare spider crabs (Majoidea) from Brazil, with additional morphological information based on material collected in the upper continental slope of the Potiguar Basin, northeast of Brazil. Lepteces ornatus Rathbun, 1893 (Epialtidae), originally described from the Gulf of Mexico and also reported fro...
Article
The superfamilies Penaeoidea Rafinesque, 1815 and Sergestoidea Dana, 1852 are composed by prawns, which occur from costal zones to deep-sea zones, reaching around 5000 m of depth. However, despite the broad distribution of these deep-sea prawns in Southwestern Atlantic (Brazilian waters), these records are restrict to South and Southwest regions. B...
Article
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In this paper, we provide some available information about the occurrence and some taxonomic aspects of 19 species from the Superfamily Oplophoroidea in the southwestern Atlantic (Brazilian waters), with the update to 22 species of Oplophoroidea occurring in Brazilian waters. Samples were collected during two sets of surveys. The first was performe...
Article
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The deep-sea barnacle Arcoscalpellum michelottianum (Seguenza 1876) was previously recorded from the Atlantic, Indian and Pacific oceans, but only once in Brazilian waters, from Campos Basin. Here, we report the second occurrence of this species in Brazilian deep waters. Two specimens of A. michelottianum (a male and a female) were collected in 106...
Article
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The crustacean family of isopods, Dajidae, comprises 18 genera containing 54 species with widespread distribution. The species of this family are ectoparasites, especially on euphausiids, mysids and shrimps. The species of Holophryxus acanthephyrae has a life cycle involving a first intermediate host (copepod) and a definitive host (shrimp), and ad...
Article
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Species in the family Lithodidae Samouelle, 1819 are benthic and occurring mostly on muddy substrates of continental and insular slopes in cold waters worldwide. The 28 lithodid species presently recorded from the Atlantic Ocean: seven species of Lithodes Latreille, 1806, five of Neolithodes A. Milne-Edwards & Bouvier, 1894 and 16 of Paralomis Whit...
Article
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The family Bopyridae Rafinesque, 1815 is comprised of parasitic isopods with a life cycle involving an intermediate host (copepod) and a definitive host (decapod crustacean). The genus Anuropodione Bourdon, 1967 occurs in all oceans and encompasses five species that are only known as parasites of squat lobsters belonging to the genus Munida Leach,...
Article
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This paper reports the occurrence of Aphrogenia alba in Potiguar Basin, northeastern Brazil. The specimen was sampled at a depth of 180 m off the Rio Grande do Norte coast in the muddy bottom. This new record extends, after 37 years, the known geographic distribution of the species in the Brazilian coast, which had previously been recorded between...
Article
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The specimens of Chloeia kudenovi were collected in mud bottom at a depth of 180 m on the continental slope in the State of Rio Grande do Norte (Potiguar Basin) in Northeastern Brazil. This record expands the northern distribution of C. kudenovi in Brazilian waters, which this species has been recorded only in the coast of Rio de Janeiro.
Conference Paper
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The family Bopyridae is recognize as holoparasitic isopods, being found in branchial chamber or adhered to the pleon of decapods crustaceans, thereby causing deformations in regions of carapace of the host. The genus Anuropodione has a widespread distribution, occurring in all oceans, especially in deep zones, parasiting exclusively squat lobsters...
Conference Paper
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O Brasil possui uma grande diversidade biológica, sendo necessária a conservação e valorização de toda essa riqueza. Uma das medidas de conservação é a ex situ, encontrada nas diversas coleções biológicas existentes no mundo. Quanto mais representativa for a coleção, em termos de diversidade e distribuição geográfica, maior é sua importância cientí...
Conference Paper
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A Família Pasiphaeidae Dana, 1852 inclui 104 espécies de camarões pelágicos distribuídos em sete gêneros. Até então, foram registradas apenas quatro espécies de Pasiphaeidae para o Atlântico Sul Ocidental: Parapasiphae cristata Smith, 1884; P. sulcatifrons Smith, 1884; Pasiphaea merriami Schmitt, 1931 e P. princeps Smith, 1884. Membros do gênero Pa...
Conference Paper
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Here we report the new occurrences of two poorly known spider crab species, Lepteces ornatus Rathbun, 1893 (Pisinae) and Collodes leptocheles Rathbun, 1894 (Inachoididae) from the northeast Brazil, southwestern Atlantic. The specimens were collected on the framework “Avaliação da Biota Bentônica e Planctônica da Bacia Potiguar e Ceará (Bpot)”, deve...
Article
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The objective of this study was to describe the population and reproductive biology of Callichirus major (Say, 1818) in Pau Amarelo beach, State of Pernambuco, Northeastern Brazil, based on: relative growth, sex ratio, reproductive period and recruitment of juveniles. Samplings were carried out monthly from May 2011 to April 2012. The individuals o...
Article
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Abstract: A new species of Fulgurofusus GRABAU, 1904 is described, based on shells collected in the bathyal zone of Brazil. Fulgurofusus jonasi sp. nov. is compared conchologically with the congeners F. ecphoroides HARASEWYCH 1983, F. electra (F. M. BAYER 1971) and F. sarissophorus (WATSON 1882) differing clearly from them and the other Fulgurofusu...
Article
In this paper, we report some morphological abnormalities for the deep-sea shrimp Glyphocrangon aculeata A. Milne-Edwards, 1881, collected from the western South Atlantic. All specimens analysed herein were collected in Potiguar Basin, located in northeastern Brazil, through bottom trawls along the continental slope between 150 and 2068 m depth in...
Article
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Here, we report the new occurrences of four deep-water prawn of the genus Gennadas in the southwestern Atlantic: G. gilchristi recorded from the Mid-Atlantic Ridge region; G. capensis recorded from Brazilian waters off Fernando de No-ronha Archipelago, Atol das Rocas and Ceará Chain; G. talismani and G. scutatus recorded both to Mid-Atlantic Ridge...
Article
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p style="text-align: justify;">O caranguejo do gênero Acanthocarpus Stimpson, 1871 tem hábitos bentônicos, ocorrendo na plataforma continental em substratos de cascalhos ou lamosos com ocorrência em todos os oceanos, especialmente entre 20-522 m de profundidade. Neste trabalho, nós reportamos a ocorrência de Acanthocarpus alexandri Stimpson, 1871 e...
Article
Full-text available
The aim of this study was to analyse the morphological and physiological maturity of the crab Aratus pisonii at Mundaú Lagoon, Alagoas, Northeastern Brazil. A total of 594 specimens were collected, being 212 males and 382 females, of which 150 were ovigerous females. More females than males were found in most months except July/2015. The morphologi...
Article
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The genus Pasiphaea Savigny, 1816 (Caridea: Pasiphaeidae) includes 71 species, of which vast majority inhabit in the meso or bathypelagic zones in the world oceans. A new species is described herein, sampled during the project "ABRACOS 2" (Acoustic along the BRazilian COast) nearby the Rocas Atoll and Fernando de Noronha Archipelago, in Brazilian w...
Article
Copepod crustaceans of the genus Gaussia inhabit open ocean waters in epipelagic and bathy-pelagic zones from 0 to 5000 m. They show high-speed vertical migration and bioluminescent characteristics. In the Atlantic Ocean only the species G. asymmetrica Björnberg & Campaner, 1988 and G. princeps (Scott T., 1894) have been recorded previously. We rep...
Article
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The family Crangonidae comprises 22 genera and 219 species. Six species are recorded in the Southwestern Atlantic. In this paper, two species of this family, Pontophilus brevirostris Smith, 1881 and Sabinea hystrix (A. Milne-Edwards, 1881) are recorded for the first time to southwestern Atlantic Ocean. Additionally, we record the occurrence of Para...
Article
Full-text available
Here, we report the new occurrences of four deep-water prawn of the genus Gennadas in the southwestern Atlantic: G gilchristi recorded from the Mid-Atlantic Ridge region; G capensis recorded from Brazilian waters off Fernando de Noronha Archipelago, Atol das Rocas and Ceara Chain; G. talismani and G scutatus recorded both to Mid-Atlantic Ridge and...
Article
Full-text available
The family Crangonidae comprises 22 genera and 219 species. Six species are recorded in the Southwestern Atlantic. In this paper, two species of this family, Pontophilus brevirostris Smith, 1881 and Sabinea hystrix (A. Milne-Edwards, 1881) are recorded for the first time to southwestern Atlantic Ocean. Additionally, we record the occurrence of Para...
Article
Full-text available
The swimming crabs Portunus anceps (Saussure, 1858) and P. floridanus Rathbun, 1930 (Portuninae) have been only recorded in Western Atlantic. The present study reports the first record of Portunus anceps at Rocas Atoll and the second record of Portunus floridanus in Brazilian waters. Additionally, we report an extension of the bathymetric distribut...
Article
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Heterocarpus inopinatus is a member of the family Pandalidae. It is an endemic species from Brazilian’ waters which is recorded for states of Bahia, Espírito Santo and Rio de Janeiro. In this paper, we report the occurrence of this species from extreme northeast of Brazil in Potiguar Basin. The Potiguar Basin is situated in the extreme northeast of...
Article
Full-text available
Heterocarpus inopinatus is a member of the family Pandalidae. It is an endemic species from Brazilian’ waters which is recorded for states of Bahia, Espírito Santo and Rio de Janeiro. In this paper, we report the occurrence of this species from extreme northeast of Brazil in Potiguar Basin. The Potiguar Basin is situated in the extreme northeast of...
Article
Full-text available
The deep-sea copepod Megacalanus princeps Wolfenden, 1904 was previously recorded from the northern and southeastern Atlantic, Indian and Pacific oceans, but not previously observed from southwestern Atlantic. Here we report its first occurrence in Brazilian waters. The current record increases the knowledge on the species distribution and on the d...
Article
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This paper reports the occurrence of four deep waters shrimps of the family Solenoceridae in the southwestern Atlantic, Brazil. The rare Hadropenaeus modestus is collected for the second time from Brazilian waters after 138 years, filling the gaps on its distributional pattern. Mesopenaeus tropicalis is a new register for Potiguar basin, although i...
Article
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The caridean family Glyphocrangonidae Smith, 1884 is monotypic including only the genus Glyphocrangon A. Milne-Edwards, 1881. The species of this genus are exclusively inhabitants of deep sea. The current contribution aims to enrich the knowledge of Glyphocrangon in the southwestern Atlantic, by reporting its occurrence and bathymetric distribution...
Article
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This paper reports two deep-sea shrimps, Acanthephyra acanthitelsonis and A. armata from southwestern Atlantic waters. The samples were collected in two different moments, the first in the Potiguar Basin, northeast of Brazil (03/05° S; 38/35° W), covering the states of Rio Grande do Norte (RN) and Ceará (CE) in the year of 2011, and afterward on Ro...
Article
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The genus Nephropsis Wood-Mason, 1872 has been reported from Brazil by Tavares (1998), Tavares & Young (2002), Silva et al. (2003), Dall´Occo et al. (2007) and Serejo et al. (2007), recording Nephropsis aculeata Smith, 1881, N. rosea Bate, 1888 and N. agassizii A. Milne-Edwards, 1880, the last of which occurs in both northeastern and southeastern o...
Article
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Th e crab Euchirograpsus americanus A. Milne-Edwards, 1880 (Plagusiidae) has so far only been recorded in Brazil in the state of Rio Grande do Sul. Here we report its fi rst occurrence from northeastern Brazil, from the Potiguar Basin in the state of Rio Grande do Norte.
Article
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The burrowing crustaceans of the Infraorder Axiidea have as main representative Callichirus major (Say, 1818), known as ghost shrimp. The aim of this paper was to analyze the relative growth of C. major at Piedade beach, Pernambuco. The samplings were accomplished from December 2010 to November 2011. The ghost shrimps were sampled with a suction pu...
Article
Full-text available
The aim of this paper was to study the population ecology of Callichirus major (Say, 1818) at Piedade Beach, State of Pernambuco, Brazil, through the analysis of parameters such as sex ratio, reproductive period and recruitment of juveniles into this population. Sampling was taken monthly from December 2010 to November 2011. The burrow and air temp...
Article
Full-text available
The burrowing crustaceans of the Infraorder Axiidea have as main representative Callichirus major (Say, 1818), known as ghost shrimp. The aim of this paper was to analyze the relative growth of C. major at Piedade beach, Pernambuco. The samplings were accomplished from December 2010 to November 2011. The ghost shrimps were sampled with a suction pu...
Article
Full-text available
Os crustáceos da família Portunidae são importantes predadores no ambiente costeiro. A captura no Brasil é bastante artesanal, e em Pernambuco, apesar de pouco estudados, os siris são intensamente explorados. O presente estudo propõe contribuir ao conhecimento dos siris, registrando as espécies que ocorrem no Canal de Santa Cruz (CSC), bem como as...

Questions

Question (1)
Question
Hi everyone!
Someone could help me with the identification of this pasasite.
depth around 650 m in Atlantic Ocean.
Thanks in Advanced!
Best Wishes. 

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