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Bighead tilefish (Caulolatilus affinis) fish species and information / pictures of Bighead tilefish - Caulolatilus affinis

Bighead tilefish (Caulolatilus affinis) fish species information

Scientific Name
Caulolatilus affinis

Common Name
Bighead tilefish

Biology
Inhabits rocky and sandy bottoms, near isolated reefs (Ref. 9119). Mature females are encountered in April and November in the Gulf of California, Mexico and in September in Colombia, Ecuador and the Galapagos Islands (Ref. 9119). Marketed fresh or frozen and considered of excellent quality for human consumption (Ref. 9119).

Classification

Classified By

Gill, 1865

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Tilefishes (Malacanthidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: Gulf of California to Peru.

Range

33°N -

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

30 m

Depth To - meters

185 m

Zone

demersal

Environment

Marine; brackish; demersal; depth range 30 - 185 m (Ref. 9119)

Trophic Level

3.74 s.e. 0.58 Based on size and trophs of closest relatives

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

49.5 cm

Common Length

45.0 cm

Phylogenetic Diversity Index

PD50 = 0.5005 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: commercial

Vulnerability

Moderate to high vulnerability (51 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (k=0.09-0.17)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)