Crossword clues for the word: DAPHNIA The word DAPHNIA has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for DAPHNIA Showing 1 to 4 of 4 results Clue(s) An aphid, surprisingly, is something you can feed to a fish Freshwater crustacean called a water flea Genus of crustaceans named for a classical nymph Genus of crustaceans, some species of which are used as food for aquarium fish