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Remarkable capabilities
From its very first moments, enclosed in its characteristic black egg, the young cuttlefish has to cope with an environment as rich as it is hostile. As it grows, the cuttlefish deploys remarkable abilities to survive: precise hunting, adaptation to currents and, above all, an art of camouflage that is among the most accomplished in the animal kingdom.
Thanks to their chromatophores, pigment cells capable of expanding or contracting in a fraction of a second, cuttlefish can change the colors and patterns of their skin at will. In addition, the cuttlefish can transform the texture of its epidermis, going from a smooth appearance to reliefs imitating algae or substrates. This mimicry, known as homochromy, enables the cuttlefish to evade predators and surprise prey alike.
A complex underwater world
But this control is not always enough to cope with the growing pressures on its habitat. Pollution, trawling, algae blooms and climate change are undermining the balance of these coastal ecosystems. Sépia's journey reveals the complexity of the underwater world, and its dependence on increasingly precarious ecological balances.
Punctuated by immersive images and up-close tracking of the animal, this film by Matthieu Le Mau and Romain Guénard offers both a scientific and sensitive look at a cephalopod as discreet as it is extraordinary. It's an immersion that reminds us just how much the preservation of marine environments depends on the survival of these species... and, by extension, our own.
Broadcast: Monday 8 June, 9:05pm on France 5.
Duration: 52 minutes âeuros inédit 2024.
