Flabby Whalefish, Gyrinomimus grahami Richardson & Garrick 1964
Holotype of the Flabby Whalefish, Gyrinomimus grahami, from South of Cape Palliser, New Zealand, 42°07'S, 174°57'E, depth 1300 fathoms - NMNZ P.3744. Source: Museum of New Zealand, Te Papa Tongarewa. License: CC By Attribution-NonCommercial-NoDerivatives
Flabby Whalefish, Gyrinomimus grahami Richardson & Garrick 1964
More Info
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Distribution |
Australian Antarctic Territory. Elsewhere the species is circumpolar in the Southern Hemisphere between 33°S-72°S. |
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Features |
Females: Dorsal fin 14-16; Anal fin 14-16; Pectoral fin 21-22; Caudal fin 16-17 principal rays; Lateral-line pores 13-18; Vertebrae 51-57. Dorsal-fin base 13.8% SL. Body flabby, naked except for large, diagnostic scales associated with the lateral line canals; body rather elongate, mouth enormous (one-third of body length), head length 30% SL, head wider than body; snout rounded; eye tiny; nasal organ small. Jaws slightly convex to straight on upper, concave on lower; three distinct gill arches with a small slit behind the last; gill tooth plates contiguous. Lateral line conspicuous with large round pores inside a channel with raised rim, lateral pores lack dermal flaps; no vertical rows of papillae on lateral line. Lateral line system continues onto head as a series of pores and sensory openings, additional pores on lower jaw and snout. Cavernous tissue located around the anus, none elsewhere on body. Jaw teeth relatively long (three times longer than wide) in regular rows; vomerine tooth patch rectangular or flat. Dorsal and anal fins positioned far back on body, fin bases slightly elevated; caudal fin with fewer than 17 principle rays; pelvic fins absent; pectoral fins small, inserted low on body. |
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Etymology |
The authors "take pleasure in naming this species for David H. Graham, veteran New Zealand ichthyologist and marine biologist". |
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Species Citation |
Gyrinomimus grahami Richardson & Garrick 1964, Copeia 1964(3): 523, Fig. 1. Type locality: South of Cape Palliser, New Zealand, 42°07'S, 174°57'E, depth 1300 fathoms. |
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Author |
Bray, D.J. 2024 |
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Resources |
Flabby Whalefish, Gyrinomimus grahami Richardson & Garrick 1964
References
Johnson, G.D., Paxton J.R., Sutton T.T., Satoh T.P., Sado T., Nishida M., et al. 2009. Deep-sea mystery solved: astonishing larval transformations and extreme sexual dimorphism unite three fish families. Biology Letters 5(2): 235–239.
Mincarone, M.M, Di Dario, F. & Costa, P.A.S. 2014. Deep-sea bigscales, pricklefishes, gibberfishes and whalefishes (Teleostei: Stephanoberycoidei) off Brazil: new records, range extensions for the south-western Atlantic Ocean and remarks on the taxonomy of Poromitra. Journal of Fish Biology 85: 1546-1570.
Paulin, C.D., A. Stewart, C.D. Roberts & P.J. McMillan. 1989. New Zealand fish a complete guide. National Museum of New Zealand Miscellaneous Series 19: i-xiv + 1-279, 8 pls.
Paxton, J.R. 1989. Synopsis of the whalefishes (family Cetomimidae) with descriptions of four new genera. Records of the Australian Museum 41: 135-206. https://doi.org/10.3853/j.0067-1975.41.1989.141
Paxton, J.R. 1990. Whalefishes: little fish with big mouths. Australian Natural History 23(5): 378-385
Paxton, J.R. 2015. Family Cetomimidae. pp. 998-1000 in Roberts, C.D., Stewart, A.L. & Struthers, C.D. (eds). The Fishes of New Zealand. Wellington : Te Papa Press Vol. 3 pp. 577-1152.
Paxton, J.R. & Gon, O. 1990. Cetomimidae. pp. 222-225 in Gon, O. & Heemstra, P.C. (eds). Fishes of the Southern Ocean. J.L.B. Smith Institute of Ichthyology, Grahamstown, South Africa. https://doi.org/10.5962/bhl.title.141868
Richardson, L.R. & Garrick, J.A.F. 1964. A new species of Gyrinomimus (Pisces, Cetomimidae) from New Zealand. Copeia 1964(3): 523-525.
Roa-Varón, A. & Iwamoto, T. 2019. Gyrinomimus grahami. The IUCN Red List of Threatened Species 2019: e.T123360888A123361138. https://dx.doi.org/10.2305/IUCN.UK.2019-2.RLTS.T123360888A123361138.en. Accessed on 27 November 2024.
