Sea creature that sailors mistook for a mermaid, centuries ago

Let's find possible answers to "Sea creature that sailors mistook for a mermaid, centuries ago" crossword clue. First of all, we will look for a few extra hints for this entry: Sea creature that sailors mistook for a mermaid, centuries ago. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.