''Thunnus tonggol'' is a species of
tuna
A tuna is a saltwater fish that belongs to the tribe Thunnini, a subgrouping of the Scombridae (mackerel) family. The Thunnini comprise 15 species across five genera, the sizes of which vary greatly, ranging from the bullet tuna (max length: ...
of tropical
Indo-West Pacific
The Indo-Pacific is a vast biogeographic region of Earth.
In a narrow sense, sometimes known as the Indo-West Pacific or Indo-Pacific Asia, it comprises the tropical waters of the Indian Ocean, the western and central Pacific Ocean, and the ...
waters.
It is commonly known as the longtail tuna
[ or northern bluefin tuna.][Hutchins, B. & Swainston, R. (1986). ''Sea Fishes of Southern Australia.'' pp. 104 & 141. ][Allen, G. (1999). ''Marine Fishes of Tropical Australia and South-East Asia.'' p. 230. ] The usage of the latter name, mainly in Australia to distinguish it from the southern bluefin tuna
The southern bluefin tuna (''Thunnus maccoyii'') is a tuna of the family (biology), family Scombridae found in open southern Hemisphere waters of all the world's oceans mainly between 30th parallel south, 30°S and 50th parallel south, 50°S, to ...
, leads to easy confusion with ''Thunnus thynnus
The Atlantic bluefin tuna (''Thunnus thynnus'') is a species of tuna in the family Scombridae. It is variously known as the northern bluefin tuna (mainly when including Pacific bluefin as a subspecies), giant bluefin tuna or individuals exceed ...
'' of the Atlantic and ''Thunnus orientalis
The Pacific bluefin tuna (''Thunnus orientalis'') is a predatory species of tuna found widely in the northern Pacific Ocean, but it is migratory and also recorded as a visitor to the south Pacific.
In the past it was often included in '' T. thyn ...
'' of the North Pacific. Compared to these "true" bluefins, ''Thunnus tonggol'' is more slender and has shorter pectoral fins
Fins are distinctive anatomical features composed of bony spines or rays protruding from the body of a fish. They are covered with skin and joined together either in a webbed fashion, as seen in most bony fish, or similar to a flipper, as se ...
.[
''Thunnus tonggol'' reaches in length and in weight.]overfishing
Overfishing is the removal of a species of fish (i.e. fishing) from a body of water at a rate greater than that the species can replenish its population naturally (i.e. the overexploitation of the fishery's existing fish stock), resulting in th ...
.[
]
See also
* List of fish in the Red Sea
* List of fishes of India
References
External links
*
{{DEFAULTSORT:Thunnus Tonggol
Fish described in 1851
Fish of Thailand
tonggol