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