FAO Names

En - Skipjack tuna; Fr - Listao; Sp - Listado.

Size

Maximum fork length is about 108 cm corresponding to a weight of 32.5 to 34.5 kg; common to 80 cm fork length and a weight of 8 to 10 kg. The all-tackle angling record is a 18.93 kg fish with a fork length of 99 cm taken in Mauritius in 1982. Fork length at first maturity is about 45 cm.
Diagnostic Features Body fusiform, elongate and rounded. Teeth small and conizal, in a single series; gillrakers numerous, 53 to 63 on first gillrakers. Two dorsal fins separated by a small interspace (not larger than eye), the first with 14 to 16 spines, the second followed by 7 to 9 finlets; pectoral fins short, with 26 or 27 rays; interpelvic process small and bifid; anal fin followed by 7 or 8 finlets. Body scaleless except for the corselet and lateral line. A strong keel on each side of caudal fin base between 2 smaller keels. Swimbladder absent. Vertebrae 41. Colour: back dark purplish blue, lower sides and belly silvery, with 4 to 6 very conspicuous longitudinal dark bands which in live specimens may appear as discontinuous lines of dark blotches.
Geographical Distribution

Cosmopolitan in tropical and warm-temperate waters; absent from the Black Sea.