Snorkel Hawaii - Whitefin Trevally

Average Weight/Length

Max length : 50.0 cm FL male/unsexed; common length : 20.0 cm TL male/unsexed

Family, Genus, Class & Etymology

Family	Carangidae
Description	Jacks and pompanos
Environment	Brackish & Marine
Etymology	French, carangue = name of fish given in Caribe.1836
Genus	30
No. of Species	146
Order	Perciformes
Class	Actinopterygii
Reproductive Guild	Nonguarders
Distribution	Chiefly marine; rarely brackish. Atlantic, Indian and Pacific Oceans. Body generally compressed, although body shape extremely variable from very deep to fusiform. Most species with only small cycloid scales. Scales along lateral line often modified into spiny scutes. Detached finlets, as many as nine, sometimes found behind dorsal and anal fins. Large juveniles and adults with 2 dorsal fins. Anterior dorsal fin with 3-9 spines; the second having 1 spine and usually 18-37 soft rays. Anal spines usually 3, the first 2 separate from the rest; soft rays usually 15-31. Widely forked caudal fin. Caudal peduncle slender. Pelvic fins lacking in Parona signata. Vertebrae 24-27 (modally 24). Fast swimming predators of the waters above the reef and in the open sea. Some root in sand for invertebrates and fishes. One of the most important families of tropical marine fishes; fished commercially and for recreation.

Location Habitat

Adults are found on the continental shelf and slope. Benthopelagic

Biology & Physical Description

Dorsal spines (total): 9; Dorsal soft rays (total): 23-25; Anal spines: 3; Anal soft rays: 21 - 24. Bluish grey to green above, silvery white below; soft dorsal and anal fins with submarginal brownish band, fin lobes white distally. LL with 22-23 scutes.

Geographic Species Map (Fishbase.org Map)

Summary of Distribution: Indo-Pacific: Gulf of Oman, East Africa, southern Japan, Hawaii, the Arafura Sea, Australia, New Zealand, and Easter Island. Southeast Atlantic: southeast coast of South Africa. Also reported from the northern Red Sea

Whitefin Trevally