Bathystethus cultratus (Bloch & Schneider, 1801)

Grey knifefish

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

Classification	Actinopterygii \| Perciformes \| Kyphosidae \| Scorpidinae
Synonyms	Cichla cultrata, Platystethus guentheri, ... more
Common names	渊胸舌鮨, 淵胸舌鮨, ... more

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Image of Bathystethus cultratus (Grey knifefish)

Picture by Randall, J.E.

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Main reference

Paxton, J.R., D.F. Hoese, G.R. Allen and J.E. Hanley. 1989. (Ref. 7300)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 30.0 cm TL male/unsexed; (Ref. 30464)

Environment

Pelagic-neritic; marine

Climate / Range

Temperate

Southwest Pacific.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

A plankton-picking species completely lacking teeth, they live in surface layers, rarely leaving the upper few meters of water, swimming rapidly and continuously (Ref. 30464).


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses


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)

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
Moderate vulnerability (35 of 100)	Not marketed/unknown

Entered by Torres, Armi G.

Modified by Froese, Rainer

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Page last modified by : elaxamana, 15 July 2009

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