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Golden trevally (Gnathanodon speciosus) fish species and information / pictures of Golden trevally - Gnathanodon speciosus

Golden trevally (Gnathanodon speciosus) fish species information

Scientific Name
Gnathanodon speciosus

Common Name
Golden trevally

Biology
Dorsal spines (total): 8; Dorsal soft rays (total): 18-20; Anal spines: 3; Anal soft rays: 15 - 17. Color of juveniles and young adults bright yellow to silvery; broad and narrow black bars alternating; fins yellow. Adults with few black blotches or spots on sides; bars, if present, very faint. Lips thick and fleshy. Breast completely scaled. Pectorals falcate ; anal fin with 2 detached spines

Classification

Classified By

Forssk?l, 1775

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Jacks and pompanos (Carangidae)

Distribution

Region

Indo-Pacific. Eastern Pacific

Distribution

Indo-Pacific. Eastern Pacific: southwestern coast of Baja California Sur, Mexico and Gulf of California to Ecuador (Ref. 9283).

Range

30°N - 30°S

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

1 m

Depth To - meters

2 m

Zone

reef-associated

Environment

Marine; reef-associated; depth range 1 - 2 m (Ref. 58302)

Trophic Level

3.84 s.e. 0.60 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

True

Is kept in Aquariums

True

Physical Size and Genetics

Maximum Length

120 cm

Common Length

75.0 cm

Phylogenetic Diversity Index

PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial; aquaculture: commercial; gamefish: yes; aquarium: commercial

Vulnerability

Moderate vulnerability (37 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (K=0.14)

Threat To Humans

Harmless (Ref. 4795)

IUCN Red List Status

Not Evaluated