Sealife guideThe Verongida orderThe taxonomy of marine species
Explore the taxonomy of sponges including demosponges, calcisponges and glass sponges !
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Major movesThe 2026 Route du Rhum enters a decisive phase as Tom Laperche extends his lead in the Ultim class, Armel Le Cléac'h capsizes, and Class40 skippers prepare to face a powerful weather front.Read more
A tough startThe 2026 Route du Rhum gets off to an intense start, with major technical failures, Francis Joyon's capsize, impressive speeds and strategic route choices near the Azores. A look back at the first 48 hours of racing.Read more
A smooth start, an uncertain AtlanticDiscover the 2026 Route du Rhum start off Saint-Malo, where favorable initial conditions contrast with an uncertain Atlantic crossing shaped by changing winds and weather.Read more
Photo of the Day
Méduse pélagique
(Pelagia noctiluca)
(Pelagia noctiluca)
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