Why do fish come in different shapes and colours?

As part of the Year of the Sea, Nausicaá has teamed up with l'Esprit sorcier to produce 5 videos on marine subjects. The videos will be published regularly, along with those of other participants, leading up to the United Nations Conference on the Oceans - UNOC 3 - to be held in Nice from 9 to 13 June 2025.

A mouth on its belly and a flat body or a streamlined body made for speed, "passe-partout" or flamboyant colours: the shape of fish and their colour say a lot about their way of life.

Join Coline, a scientific mediator at Nausicaá, as she explains how fish morphology and lifestyle are linked.