Pseudocarcharias kamoharai (Matsubara, 1936)

Crocodile shark

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Elasmobranchii \| Lamniformes \| Pseudocarchariidae
Synonyms	Carcharias kamoharai, Odontaspis kamoharai, Carcharias yangi, ... more
Common names	Requin crocodile, Tiburón cocodrilo, Tiburón cocodrilo, ... more

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Image of Pseudocarcharias kamoharai (Crocodile shark)

Picture by Romanov, E.V.

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AquaMaps Data sources: GBIF OBIS

Main reference

Compagno, L.J.V. 1984. (Ref. 247)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 110 cm TL male/unsexed; (Ref. 43278); 110 cm TL (female); common length : 100.0 cm TL male/unsexed; (Ref. 13569)

Environment

Pelagic-oceanic; oceanodromous (Ref. 51243); marine; depth range 0 - 590 m (Ref. 6871), usually 0 - 200 m (Ref. 54740)

Climate / Range

Subtropical; 40°N - 40°S, 180°W - 180°E

Tropical and subtropical waters of all oceans.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Anal spines: 0. A medium-sized spindle-shaped shark with very large eyes lacking a nictitating membrane, long gill slits extending onto dorsal surface of head, lanceolate teeth, weak keel and precaudal pits on caudal peduncle (Ref. 6871, 43278). Small and low dorsal fins, with second dorsal fin less than half the size of the first but larger than the anal fin (Ref. 6871). Pectoral fin broad and rounded (Ref. 6871). Light or dark grey above, paler below, fins white-edged, sometimes with small white spots on body and a white blotch between mouth and gill slits (Ref. 13569).

An oceanic species usually found offshore and far from land but sometimes occurring inshore (Ref. 9993, 43278, 58302). Epi- and mesopelagic, with occasional near-bottom occurrences (Ref. 43278, 58302). Although considered not dangerous to people, its powerful jaws, jaw muscles and teeth invite respect. Flesh not appreciated and therefore the catch is usually discarded (Ref. 247); utilized for its large, squalene-rich liver (Ref. 9993). Feeds on small pelagic bony fishes, squids and shrimps (Ref. 5578). Ovoviviparous, embryos feeding on yolk sac and other ova produced by the mother (Ref. 50449). With 4 young in a litter, born at 40 to 43 cm TL (Ref. 12288). Maximum length for female given in Romanove et.al 1994 (Ref. 44781). Common bycatch of tuna longline fisheries, and occasionally tuna gillnet fisheries (Ref.58048).


IUCN Red List Status (Ref. 57073)	Threat to humans
Lower Risk: near threatened (LR/nt)	Harmless

Human uses
Fisheries: minor commercial


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Very Low, minimum population doubling time more than 14 years (Fec=4)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate to high vulnerability (54 of 100)	Not marketed/unknown

Entered by Carpenter, Kent E.

Modified by Kesner-Reyes, Kathleen

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Page last modified by : elaxamana, 15 July 2009

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