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The character 鳇 (huáng) is the simplified form of 鰉, a phono-semantic compound for the sturgeon fish. Its structure combines the semantic radical 鱼 (yú), indicating a fish, with the phonetic component 皇 (huáng), meaning emperor or royalty. This etymological link reflects the sturgeon's historical status as a prized tribute fish reserved for the imperial court, particularly the Kaluga sturgeon from the Amur River basin.