Sometimes called the sandy swimming crab, this species can be recognised by their violet tinted swimming paddles on its back legs (5th legs).

Behaviour

These crabs eat lots of different things, from algae to worms to fish.

Size

Body up to 5.6 cm diameter

Status

Common

Distribution

Widely distributed around the UK.

When to see

Year around

Facts

Females can carry up to 230,000 eggs!