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Longrakered Trevally
Ulua mentalis (Cuvier, 1833)
Above and below: A Longrakered Trevally caught on hook and line at the surface, Embley River mouth, Weipa, Queensland, May 2002. The fish was caught on a lure, cast into a school of fish feeding on the surface in water of 4 m to 8 m in depth. View larger image.
Anterior view of the Longrakered Trevally. Note the silver-white lining on the mouth and tongue. View larger image.
The Longrakered Trevally has a pronounced lower jaw that extends forward beyond the upper jaw. It has long gill rakers that extend along the side of the tongue.
This species is blue-green above and silvery below. Large specimens have a diffuse dark blotch on the upper margin of the operculum. The spinous dorsal and caudal fins are dusky to black. The second dorsal fin and anal fins are pale green. In young fish, the inside of the mouth is silver to white.
The Longrakered Trevally grows to 90 cm in length.
It occurs in tropical marine waters of the Indo-West Pacific.
In Australia it is known from the central coast of Western Australia, around the tropical north of the country and south to northern Queensland.
The Longrakered Trevally is also known as the Cale Cale Trevally.
View a map of the collecting localities of specimens in the Australian Museum Fish Collection.
Related links
- For more information on gill rakers visit the Fish Dissection
- For more information on fish tongues see the FAQ page
Further reading
- Allen, G.R. 1997. Marine Fishes of Tropical Australia and South-east Asia. Western Australian Museum. Pp. 292.
- Myers, R.F. 1999. Micronesian Reef Fishes. Coral Graphics. Pp. 330.
- Smith-Vaniz, W.F. in Carpenter, K.E. & V.H. Niem. 1999. The Living Marine Resources of the Western Central Pacific. Volume 4. Bony fishes part 2 (Mugilidae to Carangidae). FAO. Rome Pp. iii-v, 2069-2790.
