noun
aucha perch; Coreoperca kawamebari
A freshwater fish native to Japan and Korea. The name literally means 'parent-glare' and is said to come from its habit of guarding its eggs while staring at intruders.
オヤニラミは日本の固有種で、川の上流に生息している。
The aucha perch is a species endemic to Japan and lives in the upper reaches of rivers.
水族館でオヤニラミの繁殖行動を観察した。
I observed the breeding behavior of the aucha perch at the aquarium.
The name オヤニラミ (親睨) literally means 'parent-glare', likely from the fish's behavior of guarding its eggs while appearing to stare at intruders. The exact origin is uncertain, but it is a native Japanese name.