Showing posts with label Carangoides orthogrammus Jordan and Gilbert. Show all posts
Showing posts with label Carangoides orthogrammus Jordan and Gilbert. Show all posts

Carangoides orthogrammus Jordan and Gilbert, 1881

English Name: Island trevally
Family:
CARANGIDAE
Local Name: Thumba handhi
Order:
Perciformes
Size: Common to 40cm; max. 70cm
Specimen:
MRS/P0157/87





Distinctive Characters: First dorsal fin with 8 spines, second dorsal fin with 1 spine and 28-31 rays. Anal fin with 2 detached spines, followed by I spine and 24-26 rays. Gill rakers on first gill arch including the rudiments, 28-32. Snout usually slightly angular. Lips in adults fleshy and pappilose. Breast naked ventrally to origin of pelvic fins, occasionally with a small patch of pelvic scales.

Colour: Rather dark silver-grey, tending to greenish above. Darkish yellow spots on sides, mostly below lateral line. Fine white margin to anal fin.

Habitat and Biology: Inhabits lagoons and seaward reefs to depths exceeding 50 m. Occurs singly, in pairs, or in schools. Feeds primarily on sand-dwelling crustaceans, worms and small fishes.

Distribution: Indo-Pacific and Eastern Pacific.

Remarks: Carangoides orthogrammus has a nearlyubiquitous occurrence at oceanic islands and is virtually absent from inshore, neritic areas.