Scientific name: Trivia monacha
Size: Up to 1.5 cm long
Colour: Shell is white with three brown spots on top
Habitat: Rocky shores, in rock pools or under rocks
- They eat colonial sea squirts, tiny creatures living in a leathery case, such as star sea squirts.
- When they’ve finished eating the sea squirts they can lay their eggs in the empty case.
- When out and about, their foot folds around the shell, looking a bit like fake leopard skin.
Photo credit: Paul Naylor