Gempylus serpens

Snake mackerel GES
Characteristic features:

Silvery black.


Up to 112 cm TL.


Circumglobal in tropical, subtropical and temperate waters.


Epipelagic and mesopelagic, from the surface to 950 m depth.


Feeds primarily on fishes, squids and crustaceans.

Indonesian fisheries:

Caught by longline.

Similar species:

Diplospinus multistriatus
Striped escolar

Diplospinus multistriatus

Diplospinus multistriatus differs in having a distance from anus to anal-fin origin much greater than eye diameter (vs. less than or about equal to eye diameter) and dorsal-fin elements <56 (vs. >60).

Thyrsitoides marleyi
Black Snoek

Thyrsitoides marleyi differs in having no dorsal or anal finlets behind second dorsal or anal fins (vs. separate dorsal and anal finlets present); first and second dorsal fin spines longer than others (vs. all dorsal-fin spines of similar length) and pelvic fins well developed, with 1 spine and 5 soft rays (vs. pelvic fins small, with 1 spine and 3 or 4 soft rays) .

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