Northern bluefin tuna  (Thunnus thynnus)

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Glossary

Dorsal fin: The unpaired fin found on the back of the body of fish, or the raised structure on the back of most cetaceans.
Larvae: Stage in an animal's lifecycle after it hatches from the egg. Larvae are typically very different in appearance to adults; they are able to feed and move around but usually are unable to reproduce.
Magnetite: A naturally occurring magnetic mineral.
Spawning: The production or depositing of large quantities of eggs in water.

References

  1. IUCN Red List (June, 2007)
    http://www.iucnredlist.org
  2. Northern Bluefin Tuna Biological Profile, Ichthyology Department, Florida Museum of Natural History (September, 2008)
    http://www.flmnh.ufl.edu/fish/gallery/descript/bluefintuna/bluefintuna.html
  3. Piper, R. (2007) Extraordinary Animals. Greenwood Publishing Group, Connecticut.
  4. Collette, B.B. and Nauen, C.E. (1983) FAO Species Catalogue. Vol.2. Scombrids of the World. An Annotated and Illustrated Catalogue of Tunas, Mackerels, Bonitos and Related Species Known to Date. Food and Agriculture Organization of the United Nations, Rome.
  5. ICCAT. (2007) Report of the Standing Committee on Research and Statistics. International Commission for the Conservation of Atlantic Tunas, Madrid, Spain. Available at:
    http://www.iccat.int/downloads.htm
  6. Safiana, C. and Klinger, D.H. (2008) Collapse of bluefin tuna in the Western Atlantic. Conservation Biology, 22 (2): 243 - 246.
  7. Greenpeace. (2006) Where have all the Tuna Gone? How Tuna Ranching and Pirate Fishing are Wiping Out Bluefin Tuna in the Mediterranean Sea. Greenpeace International, Amsterdam, Netherlands.