frozen fish; refrigerated fish
Refers to fish that has been frozen for preservation or transport. Often used in commercial or culinary contexts.
スーパーで冷凍魚を買った。
I bought frozen fish at the supermarket.
冷凍魚は長期保存に向いている。
Frozen fish is suitable for long-term storage.
鮮魚 means 'fresh fish', the opposite of 冷凍魚.
冷凍魚 is fish that has been frozen, the standard contrast to 鮮魚 (fresh, unfrozen fish) in markets and shops.
Compound of 冷凍 (freezing) and 魚 (fish).