Swimmer Able to Puff Itself Up; Hootie's Companion
This page is the CodyCross answer for the clue below from Fauna and Flora, Group 168, Puzzle 5 (Metazoa and Metaphyta).
Question is: Swimmer Able to Puff Itself Up; Hootie's Companion
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.