royal fish
noun
- a whale, porpoise, or sturgeon caught near the British coast or cast ashore there. In these circumstances they belong to the Crown or, in the Duchy of Cornwall, to the Prince of Wales.王室鱼（指捕自或搁浅于英国海岸附近的鲸鱼、海豚或鲟; 在此情况下它们属于英国国王, 在英国王室直辖领地康沃尔郡时属于威尔士亲王）。