鮮魚

1. Origins, structure, and basic meaning

• Structure: The food-trade noun 鮮魚 (せんぎょ) denotes fresh fish sold or stored before spoilage.
• Basic usage: It is bought at an 鮮魚売り場 and kept at a low temperature to preserve freshness.

2. Common pitfalls and similar expressions

• Fresh fish as merchandise
  • It is fish at the fresh retail or distribution stage, not a cooked fish dish.