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Smalleye squaretail (Tetragonurus cuvieri) fish species and information / pictures of Smalleye squaretail - Tetragonurus cuvieri

Smalleye squaretail (Tetragonurus cuvieri) fish species information

Scientific Name
Tetragonurus cuvieri

Common Name
Smalleye squaretail

Biology
Dorsal spines : 15 - 21; Dorsal soft rays : 12-15; Anal spines: 1; Anal soft rays: 11 - 13; Vertebrae: 52. Pectorals and pelvic fins small. Dark brown, paler at base of tail and on head, otherwise almost uniform throughout.

Classification

Classified By

Risso, 1810

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Squaretails (Tetragonuridae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: Aleutian Islands, Alaska to Baja California, Mexico; Chile. Western Pacific: Japan , New Zealand and Australia. Western Indian Ocean: Natal, South Africa. Atlantic Ocean, including the Mediterranean.

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

1 m

Depth To - meters

800 m

Zone

bathyalpelagic

Environment

Marine; bathypelagic; oceanodromous ; depth range 1 - 800 m

Trophic Level

3.78 s.e. 0.35 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

70.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

High to very high vulnerability (66 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (K=0.10)

Threat To Humans

Reports of ciguatera poisoning (Ref. 4690)

IUCN Red List Status

Not Evaluated