Pelagic predators are animals that hunt in the open ocean, such as sharks, tuna, and billfish. The two crossword solutions for this term are ERNES (5 letters) and ERNS (4 letters). ERNES is an alternative spelling of ERNE, which is a type of fish-eating bird of prey, while ERNS is an alternative spelling of ERN, which is a type of large seabird. Both ERNES and ERNS are examples of pelagic predators.