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Species

Phosphorescent sea pen

This colonial creature looks like an old-fashioned quill - that's where the name sea pen comes from.

Species

Black sea bream

The black sea bream really is a fascinating fish. From sex changes to nest building, this fish is full of surprises!

Species

Lightbulb sea squirt

The lightbulb sea squirt is common around much of the UK. Its easy to see where its name came from!

Species

Red-tailed bumblebee

Living up to its name, the red-tailed bumblebee is black with a big, red 'tail'.

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Sentinels of the Sea - Marine

WTSWW’s marine monitoring work gathers evidence for critical datasets, used to strengthen the resilience of Wales’ network of protected marine sites and the protection of the marine species found within these sites. Long-term, uninterrupted datasets are particularly important to assess broad population trends, filling knowledge gaps, and informing decisions about use of the marine environment.
Species

Sea mouse

This strange furry creature often found washed ashore after storms is actually a kind of worm!

Species

Sea slater

These little critters are related to the woodlice you find in your garden and play a very important role on rocky shores.

Species

Sea mat

These mat like growths found on kelp and seaweed are actually colonies of tiny individuals animals.