Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Megaclassis: Osteichthyes
Superclassis/Classis: Actinopterygii
Classis/Subclassis: Actinopteri
Subclassis/Infraclassis: Neopterygii
Infraclassis: Teleostei
Megacohors: Osteoglossocephalai
Supercohors: Clupeocephala
Cohors: Otomorpha
Subcohors: Ostariophysi
Sectio: Otophysa
Ordo: Siluriformes
Familia: Trichomycteridae
Subfamilia: Microcambevinae
Genus: Microcambeva
Species: M. barbata – M. draco – M. ribeirae
Name
Microcambeva Costa & Bockmann, 1994
Type species: Microcambeva barbata Costa & Bockmann, 1994
References
Costa, W.J.E.M. & Bockmann, F.A. 1994. A new genus and species of Sarcoglanidinae (Siluriformes: Trichomycteridae) from southeastern Brazil, with a re-examination of subfamilial phylogeny. Journal of Natural History 28(3): 715–730. Reference page.
Sarmento-Soares, L.M., Pessali, T.C., Reis, V.J.C., de Medeiros, L.S., Lima, S.M.Q., Silva, J.P., Martins-Pinheira, R.F. & de Pinna, M.C.C. 2019. Distribution, morphological notes and conservation status of the psammophilus Microcambeva catfishes (Siluriformes: Trichomycteridae). Zootaxa 4712(4): 576–588. DOI: 10.11646/zootaxa.4712.4.6 Paywall Reference page.
Links
Microcambeva and its species (including synonyms) in Catalog of Fishes, Eschmeyer, W.N., Fricke, R. & van der Laan, R. (eds.) 2024. Catalog of Fishes electronic version.
Microcambeva species list in FishBase,
Froese, R. & Pauly, D. (eds.) 2024. FishBase. World Wide Web electronic publication, www.fishbase.org, version 02/2024.
Microcambeva is a genus of catfishes (order Siluriformes) of the family Trichomycteridae.[1][2]
Species
There are currently nine recognized species in this genus:[3][4][5][6][7]
Microcambeva barbata Costa & Bockmann, 1994
Microcambeva bendego de Medeiros, Moreira, de Pinna & Lima, 2020
Microcambeva draco Mattos & Lima, 2010
Microcambeva filamentosa Costa, Katz & Vilardo, 2020
Microcambeva jucuensis Costa, Katz, Mattos & Rangel-Pereira, 2019
Microcambeva mucuriensis Costa, Katz, Mattos & Rangel-Pereira, 2019
Microcambeva ribeirae Costa, Lima & Bizerril, 2004
Microcambeva triguttata (Eigenmann, 1918)
Microcambeva watu Medeiros, Sarmento-Soares & Lima, 2021
Distribution
Microcambeva is thought to be widespread along coastal basins of southern, southeastern, and eastern Brazil.[8] M. barbata originates from Atlantic coastal drainages of Rio de Janeiro and Espírito Santo states in Brazil. M. ribeirae originates from the Ribeira do Iguape River basin of southeastern Brazil. Two undescribed species of Microcambeva are known from the Doce River basin in Minas Gerais state and Jucuruçu River in Bahia state.[8]
Description
The two currently described species of Microcambeva have similar general morphology.[8] M. ribeirae has a maximum recorded length of 4.8 centimetres (1.9 in) SL.[8] M. ribeirae is distinguished from M. barbata by a series of morphological features, including the extent of the nasal barbels (to the nostril instead of the eye), the position of the eye (posterior half of head instead of on central portion), the first pectoral fin ray being shorter than the posterior ones (instead of the first ray being elongate and forming a prominent filament), the anal fin origin behind the vertical through the base of the last dorsal fin rays (instead of at this vertical), and others.[8]
Habitat
M. ribeirae has been found in clear, shallow streams (about 60 cm or 24 in deep) with a gray, sandy bottom in which the specimens were found entirely buried except for snout and barbels.[8]
References
Ferraris, Carl J. Jr. (2007). "Checklist of catfishes, recent and fossil (Osteichthyes: Siluriformes), and catalogue of siluriform primary types" (PDF). Zootaxa. 1418: 1–628. doi:10.11646/zootaxa.1418.1.1.
Mattos, JLO & SMQ Lima, 2010. Microcambeva draco, a new species from northeastern Brazil (Siluriformes: Trichomycteridae). Ichthyological Exploration of Freshwaters 21: 233–238.
Froese, Rainer and Pauly, Daniel, eds. (2012). Species of Microcambeva in FishBase. February 2012 version.
Medeiros, Lucas Silva De; Moreira, Cristiano Rangel; Pinna, Mário De; Lima, Sergio Maia Queiroz (2020-12-14). "A new catfish species of Microcambeva Costa & Bockmann 1994 (Siluriformes: Trichomycteridae) from a coastal basin in Rio de Janeiro State, southeastern Brazil". Zootaxa. 4895 (1): 111–123. doi:10.11646/zootaxa.4895.1.6. ISSN 1175-5334. PMID 33311056. S2CID 229178294.
Costa, W.J.E.M.; Katz, A. M.; Mattos, J.LO.; Rangel-Pereira, F. S. (2019). "Two new species of miniature psammophilic sarcoglanidine catfishes of the genus Microcambeva from the Atlantic Forest of eastern Brazil (Siluriformes: Trichomycteridae)". Journal of Natural History. 53 (29–30): 1837–1851. doi:10.1080/00222933.2019.1669729. ISSN 1464-5262. S2CID 208575449.
Costa, W.J.E.M; Vilardo, P.; Katz, A. (2020). "Sympatric sister species with divergent morphological features of psammophilic catfishes of the south-eastern Brazilian genus Microcambeva (Siluriformes: Trichomycteridae)". Zoologischer Anzeiger. 285 (1): 12–17. doi:10.1016/j.jcz.2020.01.001. ISSN 0044-5231. S2CID 214362213.
Costa, W.J.E.M; Katz, A. (2021). "Comparative morphology, phylogeny, classification and evolution of interstitial habits in microcambevine catfishes (Siluriformes: Trichomycteridae)". Taxonomy. 1 (4): 313–344. doi:10.3390/taxonomy1040025. ISSN 2673-6500.
Costa, Wilson J.E.M.; Lima, Sérgio M.Q.; Bizerril, Carlos Roberto S.F. (2004). "Microcambeva ribeirae sp. n. (Teleostei: Siluriformes: Trichomycteridae): a new sarcoglanidine catfish from the Rio Ribeira do Iguape basin, southeastern Brazil" (PDF). Zootaxa. 563: 1–10. doi:10.11646/zootaxa.563.1.1.
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