Don't. Sprinkle some salt on top of the fish, then set aside for 5 minutes to 10 minutes before rinsing it with water to remove the yellow slime. Angelfish generally refers to yellow catfish. Pelteobagrus fulvidraco mostly inhabits the shallow waters around the lake and the rivers into the lake with slow-flowing and many aquatic grasses, and lives in the benthic life, especially likes to live in the still water or slow-flowing shoals, and humus and swimming mud in many places. It is omnivorous and feeds mainly on animal feeds under natural conditions, and feeds on zooplankton at the fry stage, while adult fish feeds on insects and their larvae, small fishes and shrimps, snails and mussels, and also swallows plant debris. It is distributed in Laos, Vietnam, China, Korea, and southeastern Siberia, Russia. In China, it is found in the Pearl River, Min River, Xiang River, Yangtze River, Yellow River, Hai River, Songhua River and Heilongjiang River.