A deep-bodied percoid fish, Girella nigricans (family Kyphosidae), having a green back and iridescent blue eyes and native to the coastal waters of southern California.
Origin
1920s.
Definition of opaleye in US English:
opaleye
noun
A deep-bodied percoid fish, Girella nigricans (family Kyphosidae), having a green back and iridescent blue eyes and native to the coastal waters of southern California.