Island trevally
Ferdauia orthogrammus
Valid name (FishBase; confirmed in Eschmeyer's Catalog of Fishes and WoRMS, October 2026).
- English
- Island trevally
- Scientific
- Ferdauia orthogrammus
- Dhivehi
- ތުނބަ ހަނދިThumba handhi
- Group
- Jacks and trevallies
- Maximum size
- Up to about 75 cm (total length); commonly 40 cm; max. published weight 6.6 kg (FishBase); MRS 1997 gives common to 40 cm; max. 70 cm
- Depth and habitat
- Coral reefs and reef-associated habitats, recorded from 0 to 168 m
- IUCN status
- LC · Least ConcernLeast Concern (LC), assessed 2015
Description
A silvery-grey trevally, greenish above, with scattered yellow spots on the lower sides and a fine white edge to the anal fin. It is typical of oceanic islands and is rarely found on continental coasts. It cruises in small groups over sandy channels and lagoon floors, feeding on sand-dwelling crustaceans, worms and small fish.
In the Maldives
Dhivehi name thumba handhi (MRS 1997). MRS notes it is almost ubiquitous at oceanic islands.
Sources
- fishbase.se /summary/Ferdauia-orthogrammus.html
- fao.org /4/AD471E/AD471E00.htm
- dv.wikipedia.org /wiki/ތުނބަ_ހަނދި
- commons.wikimedia.org /wiki/File:Carangoides_orthogrammus.jpg
Dhivehi name source: M.R.S. (1997) Fishes of the Maldives (FAO/BOBP MAG/21) gives 'Thumba handhi' (Latin form). Thaana from the Dhivehi Wikipedia article 'ތުނބަ ހަނދި' (derived from the MRS 1997 Dhivehi edition); it matches the Latin form.