Maternally derived nutrients influence fatty acid composition and predator evasion behavior of larval southern flounder, Paralichthys lethostigma

When size matters: The gonads of larger female yellowfin tuna (Thunnus albacares) have different fatty acid profiles compared to smaller individuals

“…For this reason, when the females were caught, most likely they were catching the same prey. Therefore, the differences in proportions of fatty acid profiles between individuals highlighted in this study was not a result of the different maternally-derived nutrients, as instead already indicated in other studies (Burns and Fuiman 2019). Clearly, the ontogenetic shift in the relative proportion of different fatty acids identified in this study is distinct from previous results focusing on overall investment of energy resources in this species.…”

“…It has a specific structural role in nervous tissue (Sargent et al, 1993) and high supply of DHA available after the start of feeding supports the rapid development of membrane systems (Tocher, 2003). In other fish species, it was observed a positive correlation between the responsiveness to a visual stimulus and a higher concentration of DHA in the neural tissue in the head, in relation with the larvae's size (Burns and Fuiman 2019). Our results confirm that usually tuna lipids, including triacyglycerols and phospholipids, have higher levels of DHA than EPA in the neutral fraction (Murase and Saito, 1996).…”