| Answer | Crossword Clue |
|---|---|
| mollies | any of certain livebearing freshwater fishes of the genus Mollienisia, popular in home aquariums |
| molly | any of certain livebearing freshwater fishes of the genus Mollienisia, popular in home aquariums |
| helleri | any of several small, brightly colored, viviparous, freshwater fishes of the genus Xiphophorus, native to Central America, having the lower part of the caudal fin elongated into a swordlike structure: often kept in aquariums |
