« 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 »
New to ARKive
Great new images of the golden mouse.
The peregrine falcon is the fastest animal in the world and can reach an incredible 250 km per hour.
Please donate to ARKive
Help us share the wonders of the natural world. Donate today!
Help us shape the future of Arkive by answering a few questions and you could win a David Attenborough-signed book!