Willow bream are smaller, with a slender, willow-leaf-like body. Green piggyback, the head appears small and the back of the fish is humpier, thicker and bulges upwards.

Bleak is the green tipped bleak, which is a kind of fish in the genus Bleak of the subfamily Bleak of the family Bleak of the order Carpiformes. Willow bream body shape longer shaped like a willow leaf is mostly wild, bream body shape wider shaped like a fan, bream are usually artificially domesticated.