noun
Refers to small fish, often young or tiny species, used as food or bait. The term is neutral and common in everyday contexts.
市場で新鮮な小魚を買った。
I bought fresh small fish at the market.
小魚はから揚げにするとおいしい。
Small fish are delicious when deep-fried.
Compound of 小 (small) and 魚 (fish). The reading こざかな is a straightforward kun'yomi combination.