Bythaelurus canescens (Günther, 1878)

Dusky catshark

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

Classification	Elasmobranchii \| Carcharhiniformes \| Scyliorhinidae
Synonyms	Scyllium canescens, Halaelurus canescens, ... more
Common names	Holbiche sombre, Pejegato oscuro, Cat shark, ... more

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Image of Bythaelurus canescens (Dusky catshark)

Picture by Reyes, P.

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Main reference

Compagno, L.J.V. 1984. (Ref. 244)
Other references | Biblio | Coordinator : Compagno, Leonard J.V. | Collaborators

Size / Weight / Age

Max length : 70.0 cm TL male/unsexed; (Ref. 244)

Environment

Bathydemersal; marine; depth range 250 - 700 m (Ref. 244)

Climate / Range

Deep-water; 9°S - 56°S

Southeast Pacific: Peru and Chile to the Straits of Magellan.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Found on the upper continental slopes primarily on mud, but also on rock bottoms. Feeds on bottom invertebrates. Oviparous, with a single egg per oviduct at a time. Not utilized at present.


IUCN Red List Status (Ref. 57073)	Threat to humans
Data deficient (DD)	Harmless

Human uses
Fisheries: of no interest


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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Summary page \| Point data \| Common names \| Photos

Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate vulnerability (40 of 100)	Low

Entered by Carpenter, Kent E.

Modified by Capuli, Estelita Emily

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Page last modified by : elaxamana, 15 July 2009

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