Bullet tuna
Bullet Tuna | |
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Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Actinopterygii |
Order: | Scombriformes |
Family: | Scombridae |
Genus: | Auxis |
Species: | A. rochei
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Binomial name | |
Auxis rochei (Risso, 1810)
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Synonyms[2] | |
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The bullet tuna (Auxis rochei) is a species of tuna, in the family Scombridae, found circumglobally in tropical oceans, including the Mediterranean Sea,[2] in open surface waters to depths of 50 m (164 ft). The population of bullet tuna in the Eastern Pacific was classified as a subspecies of A. rochei, A. rochei eudorax, but some authorities regard this as a valid species Auxis eudorax.[3] Its maximum length is 50 centimetres (20 in).
Sometimes called bullet mackerel, the bullet tuna is a comparatively small and slender tuna. It has a triangular first
pectoral fins, is relatively small. There are the usual finlets of the tuna. There is a small corselet of small scales
around the pectoral region of the body.
Bullet tunas are blue-black on the back with a pattern of zig-zag dark markings on the upper hind body, and silver below. The fins are dark grey.
They feed on small fish,
stomatopod larvae
.
References
Wikimedia Commons has media related to Auxis rochei rochei.
Wikispecies has information related to Bullet tuna.
- .
- ^ a b Froese, Rainer; Pauly, Daniel (eds.) (2018). "Auxis rochei" in FishBase. February 2018 version.
- ^ William Eschmeyer, ed. (30 April 2018). "Species that contain: Auxis and eudorax". Catalog of Fishes. California Academy of Sciences. Retrieved 7 May 2018.