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Apristurus nakayai  Iglésias, 2013

Milk-eye catshark
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Apristurus nakayai
Picture by Iglesias, S.P.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Carcharhiniformes (Ground sharks) > Scyliorhinidae (Cat sharks)
Etymology: Apristurus: Greek, a = without + Greek, pristis = saw + Greek, oura = tail (Ref. 45335);  nakayai: The epithet nakayai, is in honour of the Japanese ichthylogist Kazuhiro Nakaya that dedicate his research to the taxonomy of this genus, describing eight species of Apristurus and revising the genus worldwide (Nakaya, 2009). Vernacular English name "Milk-eye catshark" and French name "Holbiche à iris blanc" refer to the white iris of the species, unique among Apristurus (Ref. 93246).

Environment / Climate / Range Ecology

Marine; bathypelagic; depth range 953 - 1022 m (Ref. 93246).   Deep-water, preferred ?; 21°S - 22°S, 157°E - 158°E (Ref. 93246)

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Pacific Ocean: New Caledonia.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 67.6 cm TL male/unsexed; (Ref. 93246)

Short description Morphology | Morphometrics

A medium-sized species of Apristurus of the brunneus group with the following combination of characters: shiny white iris on fresh specimen; brownish black colouration; short interspace from P1 free rear tip to P2 origin, subequal to internarial width; midpoint of the total length located well behind cloaca; pectoral fins large, width about 2.7 times P1 tip-P2 origin; long anal-fin base, longer than D1 insertion-D2 insertions; first dorsal fin located well behind pelvic-fin insertion; first dorsal fin markedly smaller than second one; long caudal fin terminal lobe, its length more than twice its height; no denticles in the mouth; very short pyloric stomach; intestinal spiral valves 16; monospondylous vertebrae 36; precaudal diplospondylous vertebrae 37 (Ref. 92346).

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Compagno, Leonard J.V. | Collaborators

Iglésias, S.P., 2012. Apristurus nakayai sp. nov., a new species of deepwater catshark (Chondrichthyes: Pentanchidae) from New Caledonia. Cybium 36(4):511-519. (Ref. 93246)

IUCN Red List Status (Ref. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries:
FAO(Publication : search) | FisheriesWiki |

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