Bluefin Tuna Survival may also be threatened by Ocean Acidification

In  a pilot study carried out by TRANSDOTT scientists in Malta Aquaculture  Research Centre  Bluefin Tuna eggs and larvae from captive broodstock were exposed to the simulated Oceans of  the Future (1200 ppm CO2). The first results indicated a lower hatching rate and a 10 -15% decrease in survival rate compared to control tanks with  present day CO2 levels of 390 ppm. A more in depth study is planned this year in parallel to the Tuna propagation work with other TRANSDOTT partners.





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