Portal:Crustaceans/Did you know/10

... that giant isopods (pictured), which live in the depths of the Atlantic and Pacific Ocean, can grow up to 45 centimetres long?
... that until 2001, the Ohio River shrimp had not been seen in the Ohio River for 50 years?
... that the semaphore crab is the most abundant crab species in mangroves on Australia's east coast?
... that Japan and Poland are the world's largest krill fishing nations since Russia abandoned its operations in 1993?