( xperience the water in a different way;...)Even fish don't swim well when they're young!

xperience the water in a different way; it appears thicker, like syrup and harder to swim in. "Momentum can explain some of the poor swimming in larvae, but not all, and the difference in coasting ability cannot be explained by differences in body length either", Müller argues.

Hopefully Müller's findings about pectoral fins and swimbladders can be used to reduce fish mortality rates. "Fish breeding programs cannot offer their larvae swimming lessons, but once we understand which behaviours cause the fish larvae the most trouble, then it is easier to adjust rearing schemes in aquaculture and to lend a hand to endangered species", she says.

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Source:Society for Experimental Biology


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