telescope goldfish; demekin
A variety of goldfish with protruding eyes. Often kept as an ornamental pet.
The telescope goldfish is characterized by its protruding eyes.
金魚すくいで出目金をすくった。
I scooped a telescope goldfish at the goldfish scooping game.
Standard kanji spelling for the telescope goldfish.
Katakana spelling is common, especially in pet shops and casual writing.
Compound of 出目 (protruding eyes) and 金, short for 金魚 (goldfish). The exact origin of the variety is uncertain, but it is a well-known ornamental goldfish breed.