Carcinus maenas (Linnaeus, 1758)
Pleon of a female
Pleon of a male
Part of a fossil claw
Appendages regrowing
Labelled dissection
Mating
Female carrying fertilised eggs
Illustration of zoea larva
Juvenile
АКВАРИЙ МОРСКОЙ ВОДЫ. Carcinus maenas is no. 16, bottom centre
C. maenas with [Sacculina]] parasite