Seawater carbonate chemistry and otolith morphology in larvae of a tropical, epipelagic fish species, yellowfin tuna (Thunnus albacares)
2023
Wexler, Jeanne B | Margulies, Daniel | Scholey, Vernon | Lennert-Cody, Cleridy E | Bromhead, D | Nicol, Simon | Hoyle, S | Stein, Maria | Williamson, Jane E | Havenhand, Jonathan N
To investigate the potential effects of increasing CO2 on otolith calcification of 9-day old pre-flexion stage yellowfin tuna (Thunnus albacares), an experiment was conducted at the Inter-American Tropical Tuna Commission's Achotines Laboratory in Panama during 2011. Fertilized eggs and larvae were exposed to mean pCO2 levels that ranged from present day (355 μatm) to two levels predicted to occur in some areas of the Pacific in the near future (2013 and 3321 μatm), and to an extreme value equivalent to long-term projections for 300 years in the future (9624 μatm).
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