Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Classis: Chondrichthyes
Subclassis: Holocephali
Ordo: Chimaeriformes
Subordo: Chimaeroidei
Familia: Chimaeridae
Genus: Hydrolagus
Species (22): H. affinis – H. africanus – H. alberti – H. alphus – H. barbouri – H. bemisi – H. colliei – H. deani – H. eidolon – H. erithacus – H. lusitanicus – H. macrophthalmus – H. matallanasi – H. mccoskeri – H. media – H. melanophasma – H. mirabilis – H. mitsukurii – H. novaezealandiae – H. pallidus – H. purpurescens – H. trolli
Name
Hydrolagus Gill, 1862: 331
References
Primary references
Gill, T. N. 1862. Note on some genera of fishes of western North America. Proceedings of the Academy of Natural Sciences of Philadelphia 14: 329–332. BHL Reference page. [p. 331]
Additional references
James, K.C., Ebert, D.A., Long, D.J. & Didier, D.A. 2009. A new species of chimaera, Hydrolagus melanophasma sp. nov. (Chondrichthyes: Chimaeriformes: Chimaeridae), from the eastern North Pacific. Zootaxa 2218: 59–68. Abstract & excerpt DOI: 10.11646/zootaxa.2218.1.3 ResearchGate Open access. Reference page.
Walovich, K.A., Ebert, D.A. & Kemper, J.M. 2017. Hydrolagus erithacus sp. nov. (Chimaeriformes: Chimaeridae), a new species of chimaerid from the southeastern Atlantic and southwestern Indian oceans. Zootaxa 4226(4): 509–520. DOI: 10.11646/zootaxa.4226.4.4. ResearchGate Reference page.
Links
Zicha, Ondřej et al. Hydrolagus Gill, 1863 – Taxon details on Biological Library (BioLib).
Hydrolagus – Taxon details on Global Biodiversity Information Facility (GBIF).
Hydrolagus – Taxon details on World Register of Marine Species (WoRMS).
Vernacular names
Ελληνικά: Ποντικόψαρο
Hydrolagus is a genus of fish in the family Chimaeridae found in the Atlantic, Indian and Pacific Oceans.[1]
Deep-sea chimaera photographed by the NOAAS Okeanos Explorer. Visible on its snout are tiny pores which lead to electroreceptor cells.
Species
The 22 recognized species in this genus are:
Hydrolagus affinis (Brito Capello (pt), 1868) (small-eyed rabbitfish)
Hydrolagus africanus (Gilchrist, 1922) (African chimaera) [2]
Hydrolagus alberti Bigelow & Schroeder, 1951 (gulf chimaera)
Hydrolagus alphus Quaranta, Didier, Long & Ebert, 2006 (whitespot ghost shark)
Hydrolagus barbouri (Garman, 1908) (ninespot chimaera)
Hydrolagus bemisi Didier, 2002 (pale ghostshark)
Hydrolagus colliei (G. T. Lay & E. T. Bennett, 1839) (spotted ratfish)
Hydrolagus eidolon D. S. Jordan & C. L. Hubbs, 1925
Hydrolagus erithacus Walovich, Ebert & Kemper, 2017 (Robin's ghostshark) [3]
Hydrolagus homonycteris Didier, 2008 (black ghostshark)
Hydrolagus lusitanicus T. Moura, I. M. R. Figueiredo, Bordalo-Machado, A. C. Almeida & Serrano-Gordo, 2005 (Portuguese chimaera)
Hydrolagus macrophthalmus F. de Buen, 1959 (bigeye chimaera)
Hydrolagus marmoratus Didier, 2008 (marbled ghost shark)
Hydrolagus matallanasi Soto & Vooren, 2004 (striped rabbitfish)
Hydrolagus mccoskeri L. A. K. Barnett, Didier, Long & Ebert, 2006 (Galápagos ghostshark)
Hydrolagus melanophasma K. C. James, Ebert, Long & Didier, 2009 (Eastern Pacific black ghostshark)
Hydrolagus mirabilis (Collett, 1904) (large-eyed rabbitfish)
Hydrolagus mitsukurii (D. S. Jordan & Snyder, 1904) (Mitsukuri's chimaera)
Hydrolagus novaezealandiae (Fowler, 1911) (dark ghostshark)
Hydrolagus pallidus Hardy & Stehmann, 1990 (pale chimaera)
Hydrolagus purpurescens (C. H. Gilbert, 1905) (purple chimaera)
Hydrolagus trolli Didier & Séret (fr), 2002 (abyssal ghostshark)
Fossil remains of the genus are known from the Miocene and Pliocene of California.[4]
References
Weigmann, S. (2016): Annotated checklist of the living sharks, batoids and chimaeras (Chondrichthyes) of the world, with a focus on biogeographical diversity. Journal of Fish Biology, 88 (3): 837-1037.
Walovich, K.A., Ebert, D.A., Long, D.J. & Didier, D.A. (2015): Redescription of Hydrolagus africanus (Gilchrist, 1922) (Chimaeriformes: Chimaeridae), with a review of southern African chimaeroids and a key to their identification. African Journal of Marine Science, 37 (2): 157-165.
Walovich, K.A., Ebert, D.A. & Kemper, J.M. (2017): Hydrolagus erithacus sp. nov. (Chimaeriformes: Chimaeridae), a new species of chimaerid from the southeastern Atlantic and southwestern Indian oceans. Zootaxa, 4226 (4): 509–520.
Popov, E. V., and G. T. Takeuchi. 2011. Miocene–early Pliocene chimaeroid fishes (Holocephali, Chimaeroidei) from California and a review of the global Neogene chimaeroid diversity and distribution. Journal of the Vertebrate Paleontology 31(Program and Abstracts):175.
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