The nursehound is a nocturnal predator, hunting smaller fish close to the seafloor.

Although, commonly referred to as a ‘sea snail,’ this species in fact belongs to the fish family!

One of the UK’s rarest marine species, this giant of the rocky shore is a very special fish.

A strikingly beautiful fish, it is not hard to see where the ‘red’ mullet gets its name from!

This slim fish is usually found on gravelly parts of the seabed, close to shore, but can turn up in rockpools.

These large rocky shore fish look like they belong in deeper waters, but they are the find of the day for any rockpooler!

This funny-looking fish certainly won't be winning any beauty pageants, but it's a real contender for Father of the Year!

One of the most bizarre fish to find on the rocky shore, the clingfish appears an assortment of different animals stuck together!

These colourful little fish are a delight for snorkellers or shallow water divers to photograph, rarely being scared off by their presence!

The ocean sunfish is the second largest bony fish on the planet and visits UK seas during the summer months to feast on jellyfish.

This dazzling moss grows in dark places, catching any faint light to glow a golden-green.