1, little herring is a kind of carp. The body is smaller, slightly longer and slightly flat. The tail handle is thick and short. The abdomen is round, the head is small, the kiss is short and blunt, and the kiss length is smaller than the back of the eye. This kind of fish is strong, easy to raise and gentle, and can be mixed with small fish.

2. Black flying fox is an ornamental fish of CYPRINIDAE, Pulsatilla and Silurus. Can mix, can chase each other but can't attack. This fish is native to Mekong River and other rivers in Southeast Asia. It is grayish brown, slender, spawning and suitable for viewing. This kind of fish is slender, grayish brown and has special black stripes.