How fast tuna grow

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Share Flipboard Email. Jennifer Kennedy. Marine Science Expert. Jennifer Kennedy, M. Updated August 11, Cite this Article Format. Kennedy, Jennifer. The Fastest Fish in the World. Swordfish: Habitat, Behavior, and Diet. Identification of Jellyfish and Jelly-like Animals.

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But having these tiny tunas in tanks has allowed scientists to learn much more about them, and some of the growth rates achieved during the early life history of these species are eye opening. Southern bluefin tuna in the wild are relatively slow growing for a tuna , reaching 50 cm in their first year and maturity between 8 and 10 years old at to cm fork length, living beyond 40 years of age and growing to around 2.

At their only known natural spawning ground off north western Australia, 4 to 13 day old SBT 3. Bluefin Tuna Characteristics. These are the medium-sized and large individuals are majorly targeted by the Japanese raw fish market. All the bluefin species have the high prices for sushi and sashimi. The bluefin body is rhomboidal and robust in profile. The above color is dark and gray below on the body, with a gold coruscation covering the body and bright yellow caudal finlets.

Their livers have a unique characteristic in which the livers are covered with blood vessels Striated. A mature adult bluefin average can grow up 2 — 2. Bluefin Tuna Diet. The young bluefin eats tiny zooplankton, and their prey size increases as they grow their size. Bluefin Tuna Facts. Scientific Name of Bluefin tuna is Thunnus thynnus.

Bluefin Tuna Habitat. Bluefins are warm blooded and are comfortable in the cold water of Newfoundland and Iceland. Bluefin Tuna Behavior. The bluefin tuna is the large sized fish which can grow similar to the height of 6 feet human or more. Bluefin Tuna as Pet.