Fishtrap; Unknown; Any non-poisonous fish from 1 to 15 inches; ABOVE: FISHTRAP EATS A JUVENILE BLOODFISH. 3 feet; Eats any small thing it senses; The Fishtrap is an underwater being that is attached to floor. it senses and eats fish, reproducing by spitting out small seeds from its hairs. If a fish is small enough, it uses it's lengthy toungue to wrap around it and eat it. It is generally harmless to larger beings.