Dog fish, sharks, striped bass, jellyfish, red drum, black drum, cobia, American eels and other fish also enjoy crabs. As larvae and juveniles, crabs are especially vulnerable to attack by smaller fish, sea rays and eels.

What eats crabs in the food chain?

Jellyfish, eels, rays, and turtles also enjoy crabs, as does the octopus, whose powerful (and sometimes poisonous) beak and suction-cup laden tentacles can break a crab’s shell and pick a crab with as much skill as a human does. Octopuses don’t mess around.

Do octopuses eat crabs?

Octopuses eat crustaceans and fish, and some species are partial to clams and mussels. But their way of eating them is a bit grisly. They use venomous saliva to kill or paralyse their victim. Octopuses eat crabs, mussels and fish, using venomous saliva to kill or paralyse their prey.

Cod are the lobster’s primary enemy, followed by other fish that cruise the ocean floor for food. Tench, flounder, sculpin, wolffish, ocean pout, monkfish, eels, rock gunnels, dogfish and crabs are known to eat young lobsters when given the chance.