Aquatic Swimmer Also Known as a Puffer
This page is the CodyCross answer for the clue below from House of Horrors, Group 1112, Puzzle 4 (Clown Masks).
Question is: Aquatic Swimmer Also Known as a Puffer
and the answer is: BLOWFISH
Word Meaning:
BLOWFISH — Any species of fish of the family Tetraodontidae that have the ability to inflate themselves to a globe several times their normal size by swallowing water or air when threatened.
Definitions from Wiktionary.