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Fish

Discover the fascinating creatures that inhabit our vast oceans. These cold-blooded vertebrates have gills, which are specialised organs allowing them to breathe underwater.

Group of Caribbean reef sharks
Vulnerable

Selachimorpha

Shark

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.

Catfish underwater with it's mouth open
Least Concern

Siluriformes

Catfish

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.