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