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Alalaua (Priacanthus alalaua) fish species and information / pictures of Alalaua - Priacanthus alalaua

Alalaua (Priacanthus alalaua) fish species information

Scientific Name
Priacanthus alalaua

Common Name
Alalaua

Biology
Occur mostly at depths of 100 m or more and has been captured at night at relatively shallow depths (9-46 m). More common around islands (records from the continental coasts are rare) (Ref. 9335). Inhabit rocky bottoms but many specimens have been trawled from relatively open waters in Hawaii (Ref. 5403). Benthopelagic (Ref. 58302). Gonads of specimens collected in Hawaii in November appear to be near spawning condition (Ref. 5403).

Classification

Classified By

Jordan & Evermann, 1903

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Bigeyes or catalufas (Priacanthidae)

Distribution

Region

Eastern Central Pacific

Distribution

Eastern Central Pacific: Hawaiian Islands, off Baja California, and the Revillagigedo Island. Probably more widely distributed.

Range

30°N - 19°N

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

9 m

Depth To - meters

275 m

Zone

demersal

Environment

Marine; demersal; depth range 9 - 275 m (Ref. 9335)

Trophic Level

4.2 s.e. 0.73 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

26.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5002 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Low vulnerability (22 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)