Answer:

guppy

Answer	Crossword Clue
GUPPY	Aquarium dweller
GUPPY	Small swimmer
GUPPY	Aquarium fish

GUPPY	Common aquarium fish
GUPPY	Aquarium swimmer
GUPPY	Tiny aquarium inhabitant
GUPPY	Just a little fishy
GUPPY	Rainbow fish
GUPPY	Fish bowl resident.
GUPPY	Aquarium favorite.
GUPPY	Little fish.

GUPPY	Fish.
GUPPY	Aquarium favorite
GUPPY	Popular tank fish
GUPPY	Fish seen in tanks a lot
GUPPY	Popular aquarium fish
GUPPY	Aquarium staple

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.