Cushion star on a pink background
Colourful fish underwater, Corkwing wrasse, Symphodus melops
Blue shark swimming in rays of sunlight underwater
Spider crab (Hyas araneus) underwater among kelp
Tiny blue-rayed limpets up close on a brown seaweed
Small-spotted catshark ((Scyliorhinus canicula) underwater among the kelp
Brightly coloured sea slug underwater
Cuttlefish underwater in sun rays
Frogfish on reef
Split level shot at sunset with jellyfish
Mauve stinger (Pelagia noctiluca) jellyfish underwater at the surface
Rainbow wrack (Cystoseira tamariscifolia)underwater at sunrise, Cornwall UK
Tiny fish on a bright orange (Bryaninops yongei) whip coral.
Jellyfish underwater with a view through the surface to the sky
Man holding underwater camera on beach

Underwater photography by Martin Stevens

Cushion star (Asterina phylactica) in a rock pool on pink encrusting algae, Falmouth Cornwall, UK.

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