herring , mackreal and other bait fish
Fish, fish eggs and moray eels!!
to survive in the ocean, sea urchins always scurry away on their tube-like feet and hide in cracks and crevices. ( but of course they have to make sure their is no moray eels in there first!)
The different crabs that eat sea urchins include (but are not limited to): king crab, decorator crab, hermit crab and many more.
big fish like shark and some big fish might eat baby Eels (basicly anything larger that eats meat.)blue whales, and sharks
Moray eels have a few natural predators, including larger fish such as groupers and snapper. Additionally, some sharks, especially those that inhabit coral reefs, may also prey on moray eels. Sea turtles and certain birds, like herons, can occasionally target juvenile moray eels as well.
sea urchins eat kelp.
No. Sea urchins are primary consumers and only eat sea weed, algae and kelp.
Sea Urchins
Sea Otters find sea urchins on the ocean floor and break it open with a rock. It will then eat everything except the spines (the insides).
Green Sea Urchins eat plankton, algae, small fish, mussels, sponges, and brittle stars.
Yes
sea urchins