Portal:crustaceans Did You Know 22

... that, during the breeding season, the male blueband hermit crab (pictured) carries the female around for up to a day?
... that Aenigmastacus, a fossil crayfish from Canada, belongs to a family only otherwise known from the Southern Hemisphere?
... that the New Zealand lobster was incorporated into the country's Quota Management System after a parliamentary corruption scandal?
... that Balanus perforatus is a barnacle shaped like a volcano?