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Natural World Facts #Wildlife

The Incredible Diversity of Bony Fish

The deep sea is home to an array of marine creatures, and fish are by far the most well known. But their diversity means they do not comprise a single group, and they are not all closely related. In this two-part film, we take a look at the different groups of fish and how their adaptations differ.

Part 1 examines the two groups of bony fish (Osteichthyes): the ray-finned fish, and the lobe-finned fish which includes the elusive deep sea coelacanth.

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