Bigeye tuna: Difference between revisions
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The '''bigeye tuna''' |
The '''bigeye tuna''', ''Thunnus obesus'', is an important food [[fish]], a type of [[tuna]] of the [[family (biology)|family]] [[Scombridae]]. It is found in the open waters of all tropical and temperate [[ocean]]s, but not the [[Mediterranean Sea]]. Its length is between 60 and 250 [[centimetre|cm]]. |
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Bigeye tuna are large deep-bodied streamlined fish with large heads and eyes. The [[pectoral fin]]s are very long, reaching back as far as the second [[dorsal fin]]. There are 13 or 14 [[Dorsum (biology)|dorsal]] spines. |
Bigeye tuna are large deep-bodied streamlined fish with large heads and eyes. The [[pectoral fin]]s are very long, reaching back as far as the second [[dorsal fin]]. There are 13 or 14 [[Dorsum (biology)|dorsal]] spines. |
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* {{ITIS|ID=172428|taxon=Thunnus obesus|year=2006|date=18 April}} |
* {{ITIS|ID=172428|taxon=Thunnus obesus|year=2006|date=18 April}} |
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* {{FishBase species | genus = Thunnus |species = obesus | month = January | year = 2006}} |
* {{FishBase species | genus = Thunnus |species = obesus | month = January | year = 2006}} |
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*Tony Ayling & Geoffrey Cox, ''Collins Guide to the Sea Fishes of New Zealand'', (William Collins Publishers Ltd, Auckland, New Zealand [[1982]]) ISBN 0-00-216987-8 |
* Tony Ayling & Geoffrey Cox, ''Collins Guide to the Sea Fishes of New Zealand'', (William Collins Publishers Ltd, Auckland, New Zealand [[1982]]) ISBN 0-00-216987-8 |
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*Clover, Charles. 2004. ''The End of the Line: How overfishing is changing the world and what we eat''. Ebury Press, London. ISBN 0-09-189780-7 |
* Clover, Charles. 2004. ''The End of the Line: How overfishing is changing the world and what we eat''. Ebury Press, London. ISBN 0-09-189780-7 |
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[[Category:Scombridae]] |
[[Category:Scombridae]] |
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Revision as of 12:27, 10 November 2006
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| Species: | T. obesus
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| Binomial name | |
| Thunnus obesus (Lowe, 1839)
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The bigeye tuna, Thunnus obesus, is an important food fish, a type of tuna of the family Scombridae. It is found in the open waters of all tropical and temperate oceans, but not the Mediterranean Sea. Its length is between 60 and 250 cm.
Bigeye tuna are large deep-bodied streamlined fish with large heads and eyes. The pectoral fins are very long, reaching back as far as the second dorsal fin. There are 13 or 14 dorsal spines.
Body colour is dark metallic blue on the back with a grey-white belly and an iridescent blue band running along each flank. The dorsal and anal fins are yellow.
Bigeye tuna feed on a wide variety of fishes, cephalopods and crustaceans during the day and at night.
References
- Template:IUCN2006 Listed as Vulnerable (VU A1bd v2.3)
- "Thunnus obesus". Integrated Taxonomic Information System. 18 April.
{{cite web}}: Check date values in:|date=and|year=/|date=mismatch (help) - Froese, Rainer; Pauly, Daniel (eds.) (2006). "Thunnus obesus" in FishBase. January 2006 version.
- Tony Ayling & Geoffrey Cox, Collins Guide to the Sea Fishes of New Zealand, (William Collins Publishers Ltd, Auckland, New Zealand 1982) ISBN 0-00-216987-8
- Clover, Charles. 2004. The End of the Line: How overfishing is changing the world and what we eat. Ebury Press, London. ISBN 0-09-189780-7