Crossword clues for the word: SEASLUG The word SEASLUG has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for SEASLUG Showing 1 to 6 of 6 results Clue(s) "Nudibranch, by another name" Colorful gastropod Crawling marine mollusk Nudibranch Shell-less marine invertebrate Snail without a shell