UK Seas

Discover the wonderful sea creatures that inhabit the UK seas and shores

Know the name of the creature you are looking for?

UK seas is a guide to the fauna and flora found around UK coasts. While the majority of species are marine, some species are included that are regularly encountered on land by the coast, so you’ll find descriptions of non-marine species such as reptiles, amphibians, insects and plants as well.


Melanogrammus aeglefinus




With three dorsal fins, haddock are typically cod-like. Their dark grey back fades to cream on the belly. There is a distinct black spot above and behind the pectoral fin known as the “thumb print”.

Haddock eggs are tiny, measuring a tiny 1.5mm in diameter - each female can produce up to one million eggs each year.


A deep water fish that is rarely found in water of less than fifty metres and is found more towards the north of the British Isles.


Open ocean, Deep sea

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