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.
Mackerel have streamlined bodies with two well separated dorsal fins, they are bright blue-green and they have stripy upper bodies.
During spawning the eggs and sperm are released into the sea with the females laying up to 90,000 eggs per spawning.
Common around the west and northwest of the UK.
Open ocean, Subtidal