The Skipjack Tuna (Katsuwonus pelamis) can grow to 108cm.


Typical tunny shape. Colour: Back dark purplish blue, lower sides and belly silver. In live specimens longitudinal dark bands may appear as discontinuous lines of dark blotches. 4 or 5 long broad stripes on the belly


Egg dispersal. Spawning takes place in batches in equatorial waters and in sub-tropical waters from early spring to autumn, although the season shortens the further the distance from the equator. A female of between 41/87cm can disperse between 80,000 and 2,000,000 eggs per season


Tending to be an offshore species with occasional migrations into inshore waters also a surface schooling tuna. Preferred water temperature ranges are 15 to 30ºC, with mature fish being within the 18 to 20ºC band.


Fish, squid, crustaceans and known to be cannibalistic


In most tropical and warm temperate waters. For the UK the southern coast line in summers of high sea water temperatures.

Additional NotesEdit

One positively identified Skipjack Tuna was taken in an inshore net in Lyme Bay in October 1989. Often confused with another tuna species - Atlantic Bonito.


The Aquarium Project

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