« Back to the Sea lamprey (Petromyzon marinus)
Lampreys are some of the most primitive vertebrates alive today. They are known as cyclostomes, which means 'round mouths' and refers to the…
More about the river lamprey »
The brook lamprey (Lampetra planeri) is the smallest of the British lampreys, and has two dorsal (back) fins which are in close contact…
More about the brook lamprey »
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The eastern narrowmouth toad secretes toxic mucous from its skin which is used to deter predators.
The golden lancehead is unique to a single, tiny island off the coast of the Brazil.
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