Research solves the conundrum on the formation of the body plan in flat fish

The colonization of the seabed is one of the most important events in evolutionary history, that has led to explosive radiation and large-scale morphological diversification of marine edges. Flatfish are one of the most successful groups of seabed colonizers and have developed the most specialized body plan (I mean, flat and asymmetrical) among telesteos. However, the origin and mechanism of formation of the peculiar morphology of flatfish were not clear for long.

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