Crabs are omnivores with a mostly algae diet, but they are opportunistic feeders and will happily dine on worms, crustacea, molluscs and dead fish. For most species, a mix of vegetarian and meat is optimum for fitness and health, but some species are specialist eaters preferring a stricter fare of simply plankton or a particular shellfish. Although crabs, especially males, are individually aggressive to one another they are known to work together to provide protection and food for their larger family units.

Worldwide we eat over 1.5 million tonnes of crab every year! Some harvest the meat by pulling off the claws and returning the live crabs to the water, believing they will regrow their claws and are therefore a sustainable fishery. In other parts of the world crabs are boiled alive, with the belief they don’t feel pain.