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Hyphessobrycon itaparicensis sp. n. is described from a small stream in ilha de Itaparica, Bahia, northeastern Brazil. It differs from all congeners by a combination of morphological features and a unique colour pattern. It seems to be closely related to some species of eastern Brazil coastal plains possessing a double humeral spot.
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Citations
... Hyphessobrycon itaparicensis Lima & Costa was described in 2001 based on specimens sampled in 1994 in a small stream in the Ilha de Itaparica, a continental island in the Baía de Todos os Santos', near Salvador, Bahia State, in northeastern Brazil (Lima, Costa, 2001). Until recently, the species was only known from its type locality, which is currently buried by a series of real estate enterprises performed in the last two decades. ...
... The known distribution of this species is restricted to a group of basins proposed by Camelier, Zanata (2014), the 'Group North', which includes drainages situated in the northernmost portion of the NMAF ecoregion. m deep) below a small waterfall in Ilha de Itaparica, located about 200 m from the sea, although without tidal influence (Lima, Costa, 2001), in Barra do Gil, municipality of Vera Cruz (C. Sampaio, person. ...
Hyphessobrycon itaparicensis was originally described from a small stream in the Itaparica coastal island, Bahia State, Brazil, and has been sampled in several coastal rivers draining Bahia and Sergipe States. Broad examination of type material and recently collected specimens resulted in the redescription provided herein. The presence of one humeral blotch, absence of pseudotympanum, and conservation aspects of H. itaparicensis are briefly discussed. Data obtained from the original description, paratypes and topotypes of H. sergipanus showed broad overlap with H. itaparicensis and absence of morphological diagnostic features supporting the recognition of H. sergipanus as a valid species. Thus, H. sergipanus is considered as junior synonym of H. itaparicensis. We emphasize the need of examining large population samples and type material of similar congeners to avoid improper propositions of new specific names.
... Considering the variation found in bony hooks on fin rays, this study describes and compares the morphology of bony hooks on anal-fin and pelvic-fin in males of six neotropical Characidae species included in the Astyanax clade [Astyanax fasciatus Cuvier, 1819 and Astyanax lacustris (Lütken, 1875)], Pristellinae [Hyphessobrycon bifasciatus Ellis, 1911 and Hyphessobrycon itaparicensis Lima and Costa, 2001] and Cheirodontinae [Compsura heterura Eigenmann, 1915 and Serrapinnus heterodon (Eigenmann, 1915)]. ...
... Twelve species of Hyphessobrycon are known from the coastal drainages of Northeastern Brazil: H. bifasciatus Ellis, 1911, H. brumado Zanata & Camelier, 2010, H. diastatos Dagosta, Marinho & Camelier, 2014, H. iheringi Fowler, 1941, H. itapari censis Lima & Costa, 2001, H. latus Fowler, 1941 (Eigenmann, 1915), H. negodagua Lima & Gerhard, 2001, H. parvellus Ellis, 1911, H. piabinhas Fowler, 1941 (Eigenmann, 1907), and H. vinaceus Bertaco, Malabarba & Dergam, 2007. A new species of Hyphessobrycon is described here from the Piauí river basin coastal plains of the Sergipe State. ...
... Costa, 2001), and H. chocoensis, which also has incospicuous and diffuse humeral spots in preserved specimens (seeGarcía-Alzate et al., 2013).Thirteen species of Hyphessobrycon, including H. ellisae occur in northeastern Brazil. Some character states are useful to distinguish the new species from geographically close congeners, most of them are related to colouration pattern, teeth counts and teeth morphology. ...
Hyphessobrycon ellisae, new species, is described from the coastal Piaui river basin in the Sergipe State, northeastern Brazil, based on a unique combination of character states. It exhibits the diagnostic features that define the H. flammeus species group. There are 13 valid species of Hyphessobrycon occuring in this region and H. ellisae differs from the other 12 congeners mainly by teeth morphology and counts: presence of more maxillary teeth, maxillary teeth unicuspid, teeth of premaxillary outer series are always unicuspid and anteriormost four teeth of dentary tricuspid. Colour pattern characters are useful to distinguish H. ellisae from its geographically closely distributed congeners, such as: presence of two vertically elongated humeral spots, absence of v-shaped dark markings along the flank, absence of a broad line along the flank, and dorsal fin hyaline pale brown, without a dark blotch. Other character states related to external morphology, counts of rays and presence of hooks on fins also revealed to be important components of the diagnosis of the new species.
... The present study reports the first record of the small characid fish Hyphessobrycon itaparicensis Lima and Costa, 2001 in two coastal drainages of Sergipe State, Brazil. This species was collected in three sampling sites from Piauí and Sergipe river basins, both in the hydrographic ecoregion of Northeastern Mata Atlantica. ...
... Individuals of H. itaparicensis were identified by presenting body depth from 35.4-40.7% of standard length (SL), 30-31 scales on longitudinal series, 27-30 anal-fin rays, 12-15 dentary teeth, two faint humeral spots, and a mid-lateral horizontal dark brownish stripe on the posterior half of body (Lima and Costa 2001). ...
The present study reports the first record of the small characid fish Hyphessobrycon itaparicensisLima and Costa, 2001 in two coastal drainages of Sergipe State, Brazil. This species was collected in three sampling sites from Piauí and Sergipe river basins, both in the hydrographic ecoregion of Northeastern Mata Atlantica. Aspects of habitat, diet compostion, phenotypic variation, molecular identification and distriburion of H. itaparicensis are herein discussed.
... Hyphessobrycon diversity has already increased about 15% with the new species described in the XXI century. Most recent authors, however, are emphatic in affirming that the genus is non-monophyletic (Lima & Costa 2001;Lima & Gerhard 2001;Lucena 2003;Zarske & GJry 2004;Bertaco & Carvalho 2005;Bertaco & Malabarba 2005;Carvalho & Bertaco 2006). Since Eigenmann (1917), putative relationships among species of Hyphessobrycon are based on color pattern and/or body shape (GJry 1977;Carvalho & Bertaco 2006); however, no phylogenetic analysis for all known species have been completed. ...
Hyphessobrycon rutiliflavidus, new species, is described from the upper rio Paraguai in Cuiab<, State of Mato Grosso, Brazil. The new species differs from all other congeners by the following combination of characters: black humeral spot, slightly diffuse at its tips, and caudal-peduncle blotch present; midlateral body stripe conspicuous in its posteriormost portion, extending to the tips of the middle caudal rays; anal fin with iii,15 to iv,19 rays (mode iv,17); upper jaw length, 42.3 to 49.5% of the head length; maxilla with 2–5 teeth (mode 3); all the fins of males reddish-orange and of females yellowish.
... Hyphessobrycon inconstans (Eigenmann & Ogle, 1907) Hemigrammus inconstans Eigenmann & Ogle, 1907: 17, fig. 4 Lima & Costa, 2001 Hyphessobrycon itaparicensis Lima & Costa, 2001: 234, fig. 1 Ladiges, 1938 Hyphessobrycon loretoensis Ladiges, 1938: 51. Hyphessobrycon loweae Costa & Géry, 1994 Hyphessobrycon loweae Costa & Géry, 1994: 71, Hyphessobrycon luetkenii (Boulenger, 1887) Tetragonopterus luetkenii Boulenger, 1887b: 173. ...
Characid genera listed below as Incertae Sedis constitute a largely heterogeneous assemblage of small to large-sized fishes. Most of these genera had been included in the subfamily Tetragonopterinae (see Géry, 1977). However, considering the lack of evidence that this subfamily constitutes a monophyletic assemblage (e.g., Weitzman & Fink, 1983; Weitzman & Malabarba, 1998), this classification was not adopted here. Instead, we preferred to emphasize the fact that interrelation-ships among the Characidae are poorly known, and only consider subfamilies for which some evidence of monophyly is available.
Eighty eight genera are listed as Incertae Sedis here, including 620 species. Among these, 64% or 399 species, are assigned to the speciose, taxonomically poorly known, and possibly not monophyletic genera of Characidae, Hyphessobrycon (97 species), Astyanax (86 species), Moenkhausia (58 species), Bryconamericus (51 species), and Hemigrammus (43 species), or to Creagrutus (64 species), a group recently revised and for which the taxonomic situation is now clear (Vari & Harold, 2001). In addition, more than 53% or 47 genera included as Incertae Sedis are monotypic and 26% or 23 genera contain only two or three species.
These mostly small fishes are abundant in rivers and other aquatic habitats throughout the Neotropical region and many have use as food or pets in the aquarium trade. Also is listed Salminus, the large dourados from the La Plata, São Francisco, Magdalena, and the periphery of Amazon/Orinoco basins. These predatory, ichthyophagous fishes are one of the main targets of the professional and amateur fishing in South America and are among the largest Neotropical characiforms. The bizarre lepidophagous Roeboexodon geryi, the herring-like Triportheus, and the neon tetras of the genus Paracheirodon are also listed below as Incertae Sedis genera within the Characidae.
... 1a Fowler, 1941 Hyphessobrycon iheringi Fowler, 1941: 186, fig. 96 Lima & Costa, 2001 Hyphessobrycon itaparicensis Lima & Costa, 2001: 234, fig. 1 Ladiges, 1938 Hyphessobrycon loretoensis Ladiges, 1938: 51 Costa & Géry, 1994 Hyphessobrycon loweae Costa & Géry, 1994: 71, Hyphessobrycon luetkenii (Boulenger, 1887) Tetragonopterus luetkenii Boulenger, 1887b: 173. Type locality: San Lorenzo, Rio Grande do Sul [Brazil] Ahl, 1936 Hyphessobrycon maculicauda Ahl, 1936: 22. Hyphessobrycon megalopterus (Eigenmann, 1915) Megalamphodus megalopterus Eigenmann, 1915: 50, fig. ...
The Recôncavo Sul basin is a portion of the coastal river drainages of Eastern Brazil almost entirely included in the "Baixo Sul" region of Bahia State, and is limited at its northern and northwestern borders by the rio Paraguaçu basin and at its southern and southwestern borders by the rio de Contas basin. In this study a total of 41 strictly freshwater fish species were recorded, belonging to 28 genera, 12 families, and six orders (18 Characiformes, 13 Siluriformes, five Perciformes, two Cyprinodontiformes, two Gymnotiformes, and one Synbranchiformes). Ten possibly undescribed, four endemic, and four introduced species were recorded in the area of study. One species occurring in the area is considered threatened with extinction. An identification key to the species known for the Recôncavo Sul is provided, as well as comments about the taxonomy and distribution of some species. Due to its comparatively high diversity and relatively pristine condition the rio das Almas drainage is suggested as a key area for conservation.
Realiza-se a revisão taxonômica das populações de Hyphessobrycon boulengeri (Eigenmann, 1907) e Hyphessobrycon reticulatus Ellis, 1911, com a descrição de uma nova espécie. Foram examinados 600 exemplares provenientes do sudeste e sul do Brasil, desde o Espírito Santo até o Rio Grande do Sul. Através de análise morfométrica multivariada, padrão de colorido e caracteres osteológicos foi possível reconhecer Hyphessobrycon boulengeri como espécie válida, ocorrendo em drenagens costeiras do Rio de Janeiro ao Rio Grande do Sul e no alto rio Paraná, rio Iguaçu e rio Uruguai e uma nova espécie do ris Doce e rio da Prata no Espírito Santo. Hyphessobrycon boulengeri é diagnosticado por apresentar uma mácula umeral verticalmente alongada, relativamente arredondada; faixa longitudinal estreita no flanco, fracamente unida à mácula do pedúnculo caudal; mácula do pedúnculo caudal normalmente losangular, com bordas arredondadas; corpo com padrão reticulado formado pela concentração de cromatóforos na porção posterior das escamas; uma estreita faixa escura na base da nadadeira anal e ganchos semelhantes a anzol na nadadeira anal de machos maiores que 32,1 mm. Hyphessobrycon sp1. n. difere das demais espécies do gênero pela combinação de caracteres: uma mácula umeral arredondada, às vezes com extremidades verticais tênues; uma mácula no pedúnculo caudal ligeiramente arredondada, raramente estendendo-se sobre os raios medianos caudais; ausência de faixa longitudinal no flanco; escamas do corpo com intensa pigmentação nas margens, dando um padrão de colorido reticulado; uma estreita faixa ao longo da base da nadadeira anal e infra-orbitais 3+4 co-ossificados. Os caracteres que distinguem Hyphessobrycon sp1. n. de H. boulengeri são a ausência de faixa longitudinal no flanco e o 3º e 4º infra-orbitais co-ossificados na nova espécie. Apresenta-se ainda um breve comentário biogeográfico sobre a distribuição das espécies em drenagens litorâneas e continentais do sudeste e sul do Brasil.
Five valid species of the Hyphessobrycon heterorhabdus-group are recognized as occurring in Venezuela: Hyphessobrycon diancistrus, H. sovichthys, H. fernandezi, and two new species from Caribbean coastal drainages, H. paucilepis and H. tuyensis. A redescription of H. fernandezi is included and a neotype is designated. The distribution of these species is analyzed and a key is provided to aid identification.
