Usually, these starfish can only catch REALLY slow fish, meaning they likely weren't likely to live anyway. Generally it will eat only sick fish. If you want to prevent any concern, you can feed the starfish krill and shrimp. Like most fish, keeping it fed will prevent agressive behavior.

What does a serpent starfish eat?

The Fancy Tiger-Striped Serpent Sea Star should be fed small pieces of chopped meat, shrimp, mussel, or fish.

Will starfish eat my fish?

The majority of them are carnivorous predators and feed on mollusks such as clams, mussels, and oysters which live on the sea floor. In the wild, one sea star can eat over 50 small clams in a week. ... They will also eat small fish and some species eat detritus, decomposed plants, and algae.