Discover the wonderful sea creatures that inhabit the UK seas and shores
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.
The sooty black appearance above the high tide mark can look a little like oil: in fact, it’s a slow-growing lichen that does well in low-pollution areas.
This is a good indicator of rocky places that do not get trampled by beach visitors.
Only in the West of the UK, on rocks above the high tide mark.