Island trevally
  • Carangoides orthogrammus
  • EnglishName: Island trevally
  • Local Name : Thumba handhi
  • Size : Common to 40 cm; max. 70 cm
  • Family: Order : Specimen :
  • 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 1 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 nearly ubiquitous occurrence at oceanic islands and is virtually absent from inshore, neritic areas.