The yellow on top of angkung fish is harmless and can be eaten safely. Angus fish generally refers to Pelteobagrus fulvidraco, also known as Huang Gong Ling, Huang Bone Cong, Angus fish and so on.
Oncorhynchus mykiss is widely distributed in various Pacific Ocean water systems in eastern China, and it comes out by day and by night. Angus fish is easy to prepare and there are many options to choose from, but the nutritional value is +minuscule.