Sealife guideSharks and rays: the secret lives of elasmobranchsMarine vertebrates

Last updated on 08/22/2025 at 10:42 PM
Elasmobranchs, such as sharks and rays, are very ancient cartilaginous fish. Their light and flexible skeletons make them highly agile in the water and their senses are remarkably developed: some can detect vibrations or electrical fields from a distance.
These animals play a crucial role in marine ecosystems by regulating prey populations and maintaining the balance of reefs and seagrass beds. Despite their often fearsome reputation, most elasmobranchs pose no danger to humans and are a testament to the richness of marine biodiversity.
The manta ray (Mobula birostris) is a cartilaginous fish
The manta ray (Mobula birostris) is a cartilaginous fish
Elasmobranchs are a subclass of cartilaginous fish, scientifically known as Chondrichthyes and include both pelagic and benthic species. Among them is the largest fish in the world, the whale shark, reaching up to 66 feet in length !
The whale shark is the largest fish at the surface of the globe
The whale shark is the largest fish at the surface of the globe
Discover sharks and rays
Dusky shark (Carcharhinus obscurus)
Dusky shark
(Carcharhinus obscurus)
Galapagos shark (Carcharhinus galapagensis)
Galapagos shark
(Carcharhinus galapagensis)
Giant manta (Mobula birostris)
Giant manta
(Mobula birostris)
Leopard shark (Triakis semifasciata)
Leopard shark
(Triakis semifasciata)
Sandbar shark (Carcharhinus plumbeus)
Sandbar shark
(Carcharhinus plumbeus)
Silky Shark (Carcharhinus falciformis)
Silky Shark
(Carcharhinus falciformis)
Spiny dogfish (Squalus acanthias)
Spiny dogfish
(Squalus acanthias)
Tawny nurse shark (Nebrius ferrugineus)
Tawny nurse shark
(Nebrius ferrugineus)

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