Discover the fascinating creatures that inhabit our vast oceans. These cold-blooded vertebrates have gills, which are specialised organs allowing them to breathe underwater.
Selachimorpha
Sharks are often characterised as vicious killers, but in reality, they’re a diverse and endangered group of creatures that add tremendous value to marine ecosystems.
Siluriformes
With thousands of species and countless individuals, catfish are among the most abundant and adaptable freshwater fish on Earth. These remarkable creatures don’t just swim – they can walk on land, climb walls, and even breathe air, making them one of the most surprising fish in nature.
Myliobatoidei
Stingrays are flat, disk-shaped fish with venomous barbed tails. They can typically be found gliding along the floor of shallow, coastal waters in temperate and tropical seas.