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The Neotropical catfishes of the genus Auchenipterus Valenciennes (1840) are reviewed. The genus is hypothesized to be a monophyletic assemblage on the basis of the shared presence of grooves in the ventral surface of the head that accommodate adducted mental barbels. A possible second synapomorphy, the presence of papillae on the dorsal and medial...
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... (1923) apparently reached the same conclusion, as Hypophthalmus nuchalis is listed as an 'orthotype', a term he coined to indicate a type "indicated or distinctly implied by the original author" ( Jordan, 1919:165). In our opinion, however, Valenciennes' statement is an example of what has been called virtual tautonomy, but it does not meet the criteria of the Code (ICZN 1985) for type species designation. ...
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... Known only from the Corantijn River, Suriname and the Arataye, Sinnamary, and Oyapock River basins, French Guiana (Fig. ...
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... Boeseman (1972:29) presented evidence that the type specimen of Auchenipterus dentatus Valenciennes was collected by H. H. Dieperink and originated in Figure 15. Map of central and northern South America showing distribution of Auchenipterus dentatus (_, type locality uncertain) A. fordicei (Μ, 1 = type locality), A. menezesi (Ε, 2 = type locality), and A. nigripinnis (Χ, type locality inexact = Paraguay; 3 = type locality of A. paysanduanus); some symbols represent more than one locality or lot of specimens. ...
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... specimen examined is 99 mm SL. None of the specimens exhibit signs of sexual dimorphism, making it uncertain whether any are adults. Sexual dimorphism. None observed. Distribution. Known only from two localities in the central and upper portions of Rio Amazonas system, at Coari along the main stream of the river and in a tributary of Rio Javari (Fig. 15). Remarks. Auchenipterus fordicei exhibits two characteristics unique within Auchenipterus, but which are common in species of closely related taxa. The attachment of the pelvic fins to the body in this species is similar to that found in Epapterus species and the elongate mandibular barbels are typical of those in Pseudepapterus. ...
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... Known only from the Rios Parnaíba and Pindaré-Mirim of Maranhão and Piauí states, northeastern Brazil (Fig. ...
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... Known only from the Río de La Plata drainage. In the Río Paraná, the species has been recorded above the junction of the Río Paraguay. Unlike Auchenipterus osteomystax, the only other member of the genus known from the Río Paraná, there are no records of A. nigripinnis in the Itaipu Reservoir (Fig. ...
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The Neotropical auchenipterid catfish genus Auchenipterichthys is reviewed and found to include four species. Auchenipterichthys thoracatus, formerly considered to be widely distributed throughout the Amazon River basin, is found to be restricted to the upper Madeira River basin. The widespread Amazonian species that had been misidentified as A. th...
The Gillbacker Sea Catfish is a valid species of ariid catfish from the northeastern coast of South America. There are many synonyms In the literature for the Gillbacker Sea Catfish and even recent classifications have used different scientific names. Examination of a wide range of sizes of Individuals from different localities and examination of t...
Citations
... Auchenipterus britskii Ferraris & Vari 1999 x x x CIACOL Bogotá-Gregory et al. 2020 ...
The Colombian Amazon region is part of the Neotropical rainforest (humid forest biome) covering an area of 483,163 km2 and includes tributaries of both the Amazon and Orinoco River basins. The aquatic ecosystems found there include: rivers and alluvial plains originating in Andean headwaters, on eroded soils of tropical forests in the lowlands, and Guiana Shield formations, comprising a dense fluvial drainage network in the lowlands, with Paleogene/Neogene geological formations (terra firme streams in higher places that don’t usually flood) and Paleozoic (shield streams); and Andean and Guiana Shield streams above 200–250 m a.s.l. We present here an exhaustive compilation of published information, supported by fish collections, consisting of a list of 1104 species distributed in 375 genera, 53 families, and 16 orders. We include occurrence data of these species in each sub-basin. The presence/absence species matrix was analyzed using a dendrogram and non-metric multidimensional scaling (NMDS) analysis to identify patterns of similarity between basins and sub-basins. We evaluated species composition between basins and among the different geological origins using PERMANOVA. The dendrogram shows co-occurrences of 404 species in the two basins. It also shows two clear groupings of the sub-basins of the Amazon (except Guainía-Negro drainages) and those of the Orinoco. Within the Amazon Basin, there are two nodes according to the geological origin: systems of Andean origin and those of the lowlands. The dendrogram results are consistent with the NMDS analysis, which shows a clear grouping according to the connectivity of the basins; the Guainía-Negro is included in the Amazon basin. Species distribution patterns were supported by the PERMANOVA, and differed significantly between basins (F = 4.3, R = 0.26, P = 0.003) and geological origin (F = 3.6, R = 0.23, P = 0.003). The number of species in this study represents almost a fifth of the ichthyofauna of the Neotropics and about a third of that of the Amazon River basin; clearly supporting Colombia’s status among the countries with the greatest diversity of freshwater fish species of the planet. We include here a significant number of new records (75 spp), provide a first approximation of the distribution patterns, and a framework for future biogeographical studies.
... Identification. The specimen was identified by the following combination of characters proposed by Ferraris and Vari (1999): mental barbels not reaching past pelvic-fin base, membrane from inner ray of pelvic fin attached to body lateral to ventral midline at the level of the anus, anal-fin origin located posterior to middle of standard length, anal-fin base length less than distance between snout and pelvic-fin origin, caudal fin without distinct dark chevron at base of upper and lower lobes, pectoral fin with 11 branched rays; pelvic fin with 12 branched rays, and a low number (34-37) of branched anal-fin rays. Previously known distribution. ...
... Previously known distribution. Brazil: middle and western Amazon river basin (Ferraris and Vari 1999 peduncle depth greater than 13.6% SL; adult size greater than 48.0 mm SL; vomerine teeth absent; pectoral-fin spine with transverse dark bands; pectoral fin usually with one spine and five soft rays; branched anal-fin rays seven or eight; mature male genital papilla without skin flap around deferent duct; notch absent from distal margin of modified anal fin in mature males; modified anal fin in mature males with sharp distal tip, first unbranched ray divided into three or four segments, one to three short antrorse denticulations along distal anterior margin of third unbranched ray, and third anal-fin ray comparatively long, between 7.5 and 10.0% SL; border of mouth whitish, contrasting with dark head; posterior border of nuchal shield usually whitish or pale; and caudal fin usually whitish with scattered dark brown blotches. Previously known distribution. ...
Based on a rigorous analysis of fish collections of the Instituto Amazónico de Investigaciones Científicas (Sinchi) and new collections by us, we report new Colombian records and geographical range extensions for freshwater fish species. The new occurrences include representatives of four taxonomic orders, eight families, and 13 genera. Our findings expand the geographic ranges of fish species within the Amazon and Orinoco basins and include species reported from Colombia for the first time. This information is fundamental for the completion of species inventories, as well as analyses of freshwater fish diversity patterns at macroecological scales. In addition, our data provide useful information for the formulation of strategies for the conservation, management, and sustainable use of biodiversity.
... 8 -Triportheus angulatus (Spix, Agassiz, 1829 is Triportheus signatus (Garman, 1890). And 9 -And Auchenipterus nuchalis (Spix, Agassiz, 1829) is Auchenipterus menezesi Ferraris & Vari 1999 (Table 2). ...
... lyra), which makes taxonomic studies difficult. It is important to emphasize that in the last two decades several new species occurring in the Mearim River basin have been described, what reinforces this possibility that these taxa could be still undescribed species (e.g., Ferraris & Vari 1999, Triques 1999, Lucena 2003, 2007, Piorski et al. 2008, Bragança & Costa 2011, Ottoni 2011Guimarães et al. 2018, Leão et al. 2019, Santana et al. 2019. From the 98 native species herein recorded, 32 of them were not possible to be accurately identified at the species level. ...
... Thus, we will not address these species in our biogeographic comments. From the remaining 66 species, 25 (almost half of the species) did not occur in the Amazon River basin [Auchenipterus menezesi Ferraris & Vari, 1999 Fricke et al. 2020a). All the remaining species herein reported (41 species) have their distribution known to the Amazon River basin (see Fricke et al. 2020a), showing a considerable biogeographic influence of the Amazon basin in the Pindaré River drainage. ...
In the present work, we conducted an extensive long-lasting inventory of the fishes, using different collection methodologies, covering almost the entire Pindaré River drainage, one of the principal tributaries of the Mearim River basin, an area included in the Amazônia Legal region, northeastern Brazil. We reported 101 species, just three of them being non-native, demonstrating that the composition of this studied fish community is majority composed of native species. We found a predominance of species of the orders Characiformes and Siluriformes, corroborating the pattern usually found for the Neotropical fish fauna. Similar to other studies, this inventory was mainly dominated by small characids, representing 21% of the species herein recorded. When comparing the present survey with other species lists published for this region (including the States of Maranhão and Piaui), we can conclude that the freshwater fish fauna of the State of Maranhão is probably still underestimated. We reported 41 more species, and one more species than Soares (2005, 2013) and Abreu et al. (2019) recorded for the entire Mearim River basin, respectively. We believe, however, that the number of species presented by Abreu et al. (2019) is overestimated. We compared our results with all other freshwater fish species inventories performed for the hydrological units Maranhão and Parnaíba sensu Hubbert & Renno (2006). With these comparisons, we concluded that our results evidenced that a high effort was put in the inventory here presented. The two works including more species recorded from coastal river basins of the hydrological units Maranhão and Parnaíba were the works published by Ramos et al. (2014) for the Parnaíba River basin, one of the main and larger river basin of Brazil, and the compiled data published by Castro & Dourado (2011) for the Mearim, Pindaré, Pericumã, and upper Turiaçu River drainages, including 146 and 109 species, respectively. Our survey recorded only 45 less species than Ramos et al. (2014), and eight less species than Castro & Dourado (2011). However, it is essential to emphasize that the number of species presented by Castro & Dourado (2011) is probably overestimated since they did not update and check the taxonomic status of the species of their compiled data. In several cases, they considered more than one name for the same species. © 2020, Universidade Estadual de Campinas UNICAMP. All rights reserved.
... Spinipterus Akama & Ferraris, 2011 is a monotypic genus of Auchenipteridae, an inseminating family of Siluriformes known as driftwood catfishes. The auchenipterids represent a monophyletic family recognized by several features related to sexual dimorphism, such as the possession of an intromittent organ in mature males and modifications on the fins and maxillary barbel during reproductive season (Ferraris and Vari 1999, Birindelli 2014, Calegari et al. 2014. The family currently comprises 120 species arranged in 22 genera (Eschmeyer et al. 2018, updated), Spinipterus being the most recently described. ...
Spinipterus Akama & Ferraris, 2011 is a monotypic genus known only by the holotype of its single species S. acsi , described from a creek tributary to the Nanay River, in the Peruvian portion of the Amazon basin. A second specimen of this genus and species representing the first record of occurrence in Brazil is reported from the Juruá River, upper Amazon basin, Amazonas state.
... Mouth terminal; premaxilla and dentary with several rows of thin teeth. Dorsal fin with 7, pectoral fin with 12 or 13, pelvic fin with 13 or 14 and anal fin with 42-51 rays (Ferraris, Jr., Vari, 1999). Ground color greyish dorsally, whitish ventrally. ...
The book “Peixes da planície de inundação do alto rio Paraná e áreas adjacentes” represents the most cohesive data compilation for the rio Paraná floodplain. However, considering the dynamicity of the taxonomy of freshwater fishes, several new records and taxonomic changes occurred along the past years. Therefore, the results of that publication were revisited, providing an update of the species list, their taxonomic status, records and geographic distribution, and also new keys for genera and species. The species included were those recorded in the rio Paraná basin, from the mouth of the rio Paranapanema to the Itaipu Reservoir, following the general methodology presented in the book. A total of 10 orders, 41 families, 126 genera, and 211 species were registered, with an increase of one order, six families, 14 genera, and 29 species when compared to the book. Additionally, four new genera recently described, five synonymization proposals, 14 new identifications, four new combinations, 12 new species recently described, 34 new records, and nine misidentified species were recorded. These results are associated with the redirection of human and financial resources to that area, which enabled monitoring and intensive exploration of its watercourses; as well as training of taxonomists, and new taxonomic resolutions.
... Auchenipterichthys punctatus (Valenciennes, 1840) X + Bogotá-Gregory and MaldonadoOcampo (2006a) | IAvH-P 254, 2393, 10008-10019 Auchenipterus ambyiacus Fowler, 1915 X X Ferraris and Vari (1999) Auchenipterus nuchalis ( Spix & Agassiz, 1829) X X Maldonado Ocampo et al. (2008 Entomocorus gameroi MagoLeccia, 1984 Trachelyopterus insignis (Steindachner, 1878) X X X X Steindachner (1878) | Mojica et al. (2006a) Trachelyopterus peloichthys ( Schultz, 1944) X Ortega Trachycorystes trachycorystes (Valenciennes, 1840) X IAvH-P 12863, 12876, 12889 Agamyxis albomaculatus (Peters, 1877)X Galvis et al. (2007a) Agamyxis pectinifrons (Cope, 1870) X Mojica et al. (2005) *Astrodoras Bleeker, 1862 X Roa Fuentes et al. (2010) Amblydoras affinis (Kner, 1855) X X Mojica et al. (2005) | IAvH-P 747, 1075, 1181, 2807 Amblydoras bolivarensis ( Fernández-Yépez, 1968 Amblydoras gonzalezi (Fernández-Yépez 1968)X Galvis et al. (2007b) Amblydoras monitor (Cope, 1872) X Mojica et al. (2005) Amblydoras nauticus (Cope, 1874) X Mojica et al. (2005) Anadoras grypus (Cope, 1872) X Mojica et al. (2005) Anadoras regani ( Steindachner, 1908) X Bogotá-Gregory and Maldonado-Ocampo Anduzedoras oxyrhynchus (Valenciennes, 1821) X Cala (1977) Centrochir crocodili (Humboldt, 1821) X X X Humboldt and Valenciennes (1821) ...
The present work is part of a process to create a Catalogue of the Freshwater Fishes of Colombia and consisted in the depuration and updating of the taxonomic and geographic components of the checklist of the freshwater fishes of Colombia. An exhaustive revision of the 1435 species recorded in 2008 was necessary to: 1. Add new species described since 2009 and species originally described from Colombia but inadvertently omitted in 2008; 2. Add new records of already described species; 3. Delete species whose presence in Colombia was not supported by voucher specimens in ichthyological collections; and 4. Revise the geographic distribution of the species listed in 2008. This process resulted in the following numbers: 1. Total number of freshwater fish species in Colombia: 1494; 2. Number of species recorded by hydrographic region - Amazon: 706, Orinoco: 663, Caribbean: 223, Magdalena-Cauca: 220, Pacific: 130; and 3. Number of endemic species: 374 (76% from the trans-Andean region). Updating the current checklist is a fundamental requirement to ensure its incorporation in the decision-making process with regard to the conservation of Colombian aquatic species and ecosystems, which are facing transformation processes as a result of activities such as mining, construction of hydroelectric plants, expansion of the agricultural frontier and subsequent deforestation, industrial and domestic pollution, development of waterways, introduction of exotic species, and climate change.
... Meristic variables of the new species were counted in the three adult specimens. The count of vertebral centra includes the terminal elements associated with the hypural complex as a single centrum and assumes that the fifth centrum is united to the anterior four elements incorporated into the Weberian complex and thus treats the first rib-bearing centrum as the sixth vertebra (Ferraris & Vari, 1999). Osteological features were evaluated on specimens cleared and counterstained (c&s) for bone and cartilage according to the technique of Taylor & Van Dyke (1985) and on specimens imaged by X-rays and HRXCT, which was used to visualize the skeletal elements of the head and dorsal-fin region of the whole preserved paratype specimen of G. nanonocticolus (UF 105681, female). ...
A new species of Gelanoglanis is described based on specimens collected in the Tocantins River, a tributary of the Amazon Basin. The new species is distinguished from congeners by unusual features to the genus such as the pelvic fin falling short of the urogenital opening by a distance larger than the anal‐fin length, the first unbranched dorsal and pectoral‐fin rays not ossified as spines, the dorsal‐fin spinelet absent and the adipose fin in adults preceded by a long fleshy ridge. The new species is further distinguished from congeners by its soft, sinuous snout tip and morphometric proportions of the body and head. The new species shares most putative synapomorphies of the genus, as well as the miniaturized condition evidenced by a diminutive body size and reduced ossifications and lateral sensory system. An elongate dorsal process of the cleithrum is posited as an additional synapomorphy for the genus. An osteological description of Gelanoglanis nanonocticolus based on high‐resolution X‐ray computed tomography is also provided.
http://zoobank.org/urn:lsid:zoobank.org:pub:BA3FE72D‐FEF84‐7A7‐B751‐2A15EA52C203 .
... Nas visitas realizadas aos mercados foram realizadas fotos das espécies de peixes colocadas a venda e aplicado um pequeno questionário onde perguntamos (1) qual a procedência do pescado, (2) o nome popular das espécies, e (3) a importância daquela espécie no mercado se alta, regular ou baixa. Alguns exemplares foram obtidos com pescadores artesanais e levados para o laboratório de biologia do campus de Parnaíba da UESPI para identificação de espécies sob microscópio estereoscópico com auxilio da literatura especializada como revisões e manuais de identificação (Araújo et al, 2004;Ferreira et al, 1998;Ferraris & Vari, 1999;Figueiredo, 1977;Figueiredo & Menezes, 1978;Graça & Pavanelli, 2007;Menezes & Figueiredo, 1995;Figueiredo e Menezes, 1980;Figueiredo & Menezes, 2000;Mai & Loebmann, 2010;Malabarba, 2004;Lessa & Nóbrega, 2000;Spizman, 2000;Silvano, R. A. M., Oyakawa, O. T., Amaral, B. D. do;Begossi, A.Vari, 1991). A classificação taxonômica dos exemplares seguiu Buckup et al (2007), para peixes de água doce e Menezes et al (2003) para peixes marinhos. ...
... Anal fin of mature males with three unbranched rays preceded by small ossified element; latter and first unbranched ray unsegmented, second and third unbranched rays segmented; third unbranched ray with enlarged lepidotrichia, distally tip dorsally curved; seven branched rays decreasing in size posteriorly. In some Auchenipteridae, mature transformed males have stiff, ossified maxillary barbels, an elongated dorsal-fin spine and arched cephalic shield covered with unculiferous tubercles (Ferraris & Vari, 1999;Reis & Borges, 2006;Ribeiro & Rapp Py-Daniel, 2010); no such modifications were observed in C. ferrarisi. ...
A new species of the catfish genus Centromochlus (Auchenipteridae, Centromochlinae) is described. The new species is diagnosed by having numerous dark rounded blotches over the body and fins, dorsal-fin spine with serrations anteriorly and smooth posteriorly, anal fin of mature males with three unbranched and seven branched rays, anterior nuchal plate absent and posterior nuchal plate not extended ventrally. The new species is described from a small stream in the Estação Ecológica Serra Geral de Tocantins, a natural reserve in the centre of the Brazilian Cerrado, close to the watershed between the Rio Tocantins and the Rio São Francisco basins. The new species is possibly the sister taxon to the recently described Centromochlus meridionalis from the upper Rio Tapajós. Those two species share with Centromochlus perugiae, from the upper Amazon and upper Paraguay, derived features associated with the modified anal fin in sexually mature males.
© 2015 The Fisheries Society of the British Isles.
... No tegumentary keel preceding the first unbranched anal-fin ray; denticulations absent from anterior rays. No modifications observed in the maxillary barbel and in the dorsal-fin spine of males, unlike some species of Auchenipteridae (e.g., Auchenipterus), wherein modified males have stiff and/or spiny ossified maxillary barbels, and an elongated dorsal-fin spine (Ferraris & Vari, 1999; Reis & Borges, 2006; Ribeiro & Rapp Py-Daniel, 2010). ...
Centromochlus abriga doze espécies, com registros para os principais
sistemas fluviais de águas interiores da América do Sul, como o Orinoco, Essequibo,
rios costeiros do Suriname, Amazonas, alto Paraná e São Francisco. A nova espécie é
descrita do alto rio Paraná, a partir de material coletado em 1965 durante a
construção da UHE Ilha Solteira, São Paulo, Brasil. A espécie nova distingue-se
facilmente de todas as suas congêneres pela ausência de nadadeira adiposa, uma
condição até então restrita à Gelanoglanis nanonocticolus, dentre os
bagres centromochlíneos. A nova espécie inclui pequenos bagres (adultos entre 35 e 39
mm CP), nos quais a nadadeira anal modificada em machos é desprovida de dentículos ou
espinhos, e com os raios mais posteriores de tamanho reduzido. Adicionalmente,
Tatia simplex Mees é transferida para Centromochlus
e é fornecida uma discussão acerca de seu posicionamento genérico.
