鳤 [guǎn]
1. A type of fish, elongated ochetobius (Ochetobius elongatus), belonging to the class of fishes and family Cyprinidae. It has a cylindrical body measuring approximately 30-60 centimeters in length. The fish is silvery white with small scales, a small and pointed head, and a terminal mouth without barbs. Its primary diet consists of invertebrates and small fish, and it is considered a pest in freshwater aquaculture.
2. (豘)