Dietary lipid was supplied by blends of FO, a docosahexaenoic acid (DHA)-rich algalmeal fromSchizochytriumlimacinum,
and canola oil.With exception of FM100, all diets were supplemented with methionine and lysine. Taurine was
supplemented in all diets to achieve a dietary concentration of 1.5%. Diets were fed twice daily for nine weeks
to triplicate groups of 20 fish (initial meanweight 2.5±0.1 g) kept in 1000-L circular tanks in a flow-through seawater
system.