金枪鱼的生物习性

Food and Agriculture Organization of the United Nations for a world without hunger Fisheries and Aquaculture Department Biological characteristics of tuna Tuna and tuna-like species are very important economically and a significant source of food, with the so-called principal market tuna species - skipjack, yellowfin, bigeye, albacore, Atlantic bluefin, Pacific bluefin (those two species previously considered belonging to the same species referred as northern bluefin) and southern bluefin tuna - being the most significant in terms of catch weight and trade. These pages are a collection of Fact Sheets providing detailed information on tuna and tuna-like species. Table of Contents Taxonomy and classification• Morphological characteristics• Geographical distribution• Habitat and biology• Trophic relations and growth• Reproduction• Bibliography• Taxonomy and classification [ Family: Scombridae ] : Scombrids [ Family: Istiophoridae Family: Xiphiidae ] : Billfishes Upper systematics of tunas and tuna-like species Scombrids and billfishes belong to the suborder of the Scombroidei which position is shown below: Phylum : Chordata └─ Subphylum Vertebrata └─ Superclass Gnathostomata └─ Class Osteichthyes └─ Subclass Actinopterygii └─ Infraclass Teleostei └─ Superorder Acanthopterygii └─ Order Perciformes ├─ Suborder Scombroidei | └─ Family Scombridae └─ Suborder Xiphioidei ├─ Family Istiophoridae └─ Family Xiphiidae Related topics Tuna resources Tuna fisheries and utilization Related information Aquatic Species - fact sheets Related activities FAO activities on tuna Page 1 of 31FAO Fisheries & Aquaculture - Tunas & tuna-like species group 2013-5-2http://www.fao.org/fishery/topic/16082/en