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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. |