Seriola rivoliana


Highfin amberjack YTL
Characteristic features:
Colour:

Brown to olive-blue-green above sides and belly lighter; dark bar through eye to dorsal-fin origin; often a yellow or amber stripe from eye to caudal fin peduncle; anal-fin tip white.

Size:

Up to 120 cm TL.

Distribution:

Circumglobal in tropical waters.

Habitat:

Pelagic and epibenthic, usually found well offshore, from 5 to 245 m depth. Juveniles associated with with floating seaweed or marine debris

Biology:

Feeds primarily on fish, but also invertebrates. Highfin amberjack form small to moderate sized schools.

Indonesian fisheries:

Caught by seines, bottom trawls and hook-and-line.

Similar species:

Seriola dumerilii
Greater amberjack

Seriola dumerilii

Seriola dumerilii differs in having a dorsal-fin lobe equal to or slightly longer than pectoral fin length (vs. dorsal-fin lobe 1.3 to 1.6 times longer than pectoral fin length); total gill rakers on first gill arch 11–19 (vs. 22–26) and 18–22 dorsal-fin soft rays (vs. 27–33).

Seriolina nigrofasciata
Blackbanded amberjack

Seriolina nigrofasciata

Seriolina nigrofasciata differs in having the upper jaw broadly rounded posteriorly (vs. slightly rounded posteriorly); usually terminating below posterior margin of eye (vs. terminating below anterior margin to middle of eye) and gill rakers on first gill arch mostly consisting of rudiments, 410 total elements (vs. total gill rakers on first gill arch 22–26, in specimens >~20cm FL).

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