Im thinking of purchasing an arrow crab for my 90 reef while the fish are out being treated for ick. I want him to get rid of hitchhiker crabs and bristle worms.
Will an arrow crab kill snails? I would assume so.
Will it kill my brittle stars? I hope not.
Will an arrow crab kill snails? I would assume so.
Will it kill my brittle stars? I hope not.