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Geelbeck croaker (Atractoscion aequidens) fish species and information / pictures of Geelbeck croaker - Atractoscion aequidens

Geelbeck croaker (Atractoscion aequidens) fish species information

Scientific Name
Atractoscion aequidens

Common Name
Geelbeck croaker

Biology
Found in coastal waters, over sand muddy bottom. Juveniles enter estuaries. Adults feed on pelagic fishes at night. Often caught with Umbrina canariensis. Feeds on pelagic fish such as mackerel and horse mackerel (Ref. 36731). Marketed fresh, flesh highly esteemed (Ref. 9772).

Classification

Classified By

Cuvier, 1830

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Drums or croakers (Sciaenidae)

Distribution

Region

Eastern Atlantic

Distribution

Eastern Atlantic: Angola to South Africa; single record known from Mauritania (Ref. 3593). Western Indian Ocean: off Mozambique and South Africa. Pacific Ocean: Eastern coast of Australia.

Range

14°N - 28°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

15 m

Depth To - meters

200 m

Zone

benthopelagic

Environment

Marine; brackish; benthopelagic; depth range 15 - 200 m (Ref. 3593), usually 100 - 200 m (Ref. 3593)

Trophic Level

3.89 s.e. 0.52 Based on diet studies.

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

130 cm

Common Length

90.0 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

Fisheries: commercial; gamefish: yes

Vulnerability

Moderate to high vulnerability (51 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (K=0.27; tm=5)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated