Nibbler

Nibblers are a specie of fishes that appear in the Wii video game Wii Play, in the game Fishing. They are caught by yanking them out of the lake as soon as they bite your fishing rod. Normally, they make you gain 120 points, but if they appear at the top of the screen, they make you gain 240 points.

Appearance
They appear as big yellow fish with blue stripes.