« Back to the River lamprey (Lampetra fluviatilis)
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 »
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 sea lamprey »
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The Mississippi green watersnake can be identified by the unique scale arrangement around its eyes.
Watch the common octopus hunting and feeding.
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