noun
black porgy; black sea bream
A common marine fish (Acanthopagrus schlegeli) found in coastal waters of East Asia, often targeted by anglers and used in sushi.
昨日、堤防でクロダイを釣った。
Yesterday I caught a black porgy off the breakwater.
Refers to the red sea bream (Pagrus major), a different species highly prized in Japanese cuisine, while 黒鯛 is a black porgy.
Compound of 黒 (kuro, 'black') and 鯛 (tai, 'sea bream'), referring to its dark coloration.