Help defend free speech and free scientific inquiry in the U.S. Sign the Academic Freedom Petition.

Tuna

From CreationWiki, the encyclopedia of creation science

Tuna

Scientific Classification
Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Perciformes Family: Scombridae Genus: Thunnus
Species
Albacore (T. alalunga) Yellowfin tuna (T. albacares) Blackfin tuna (T. atlanticus) Karasick tuna (T. karasicus) Southern bluefin tuna (T.maccoyii) Bigeye tuna (T. obesus) Pacific bluefin tuna (T.orientalis) Northern bluefin tuna (T. thynnus) Longtail tuna (T. tonggol)

1 Reproduction
2 Ecology
3 Gallery
4 Related References
5 See Also

Reproduction

Tuna produce sexually and spawning is found in two areas, the Mediterranean and Gulf of Mexico within the Pacific in the Atlantic oceans. Female and male spawn in the Gulf of Mexico happen from April to June. The other hand, it happens from June to August Mediterranean. Tuna such as bluefin comes to reach sexual at 3 years. Others kind of tuna have come to reach 4 to 5 years. Females produce usually over to 10 million eggs a year. The egg have buoyancy and range an abundant distance on the surface. The larva hatches 3.0mm. Their heads and jaws are big. Larvae of tuna are very difficult to distinguish compared others. The weigh of young is over 90 to 130 lbs. (40 to 80 kg).

Ecology

Tuna swim the bottom of the surface of the water, they sometimes appear the side of the coast. They migrate to the Northen during spring and summmer and go to the Southern during the fall.