Stripy, Black-and-White Sea Creature
Puzzle 20 of Aquarium Easy Pack
Question is: Stripy, Black-and-White Sea Creature
and the answer is: ZEBRAFISH
Word Meaning:
ZEBRAFISH — A small striped fish of species Danio rerio, originally from India but now common as an aquarium fish and as a subject of genetic experiments.
Definitions from Wiktionary.