Blue-ringed octopus hunt barnacles.
They hunt small crabs , hermit crabs , shrimp , and other small crustaceans .	hermit crabs	hermit crabs	shrimp	shrimp	crustaceans	crustaceans
Crustaceans -LRB- Crustacea -LSB- krste -RSB- -RRB- form a large , diverse arthropod taxon which includes such familiar animals as crabs , lobsters , crayfish , shrimp , krill , woodlice and barnacles .	arthropod	arthropod	crayfish	crayfish	shrimp	Caridea	krill	krill	woodlice	woodlouse
