The Small-Headed Clingfish (Apletodon dentatus) is known as a ‘clingfish’ because they cling to the underside of rocks on the lower shore or rock pools. They have adapted pelvic fins that form a suction cup that allows them to cling to the rocks in their habitat.
How To Spot A Clingfish
This very small fish (with a maximum length of just 40mm!) has a flattened body with a triangular shaped head. These fish are often a green/brown colour with pale patches across their back and also between their eyes. If you get a very close photograph, you may also see some small blue speckles!