[Objective] In order to understand the breeding traits of F1hybrid( C. idellus ♀ × E. bambusa ♂). [Method]The feeding habits,growth and resistance properties of hybrid F1 were analyzed. [Result] The results showed that the hybrid's digestive system are similar to grass carp,but short bowel. The hybrid F1 is herbivorous-omnivore-fish. The hybrid F1 growth is faster than grass carp. The relationship between the body length and weight can be expressed as W = 0. 015 2L2. 946 7. It belongs to the type of uniform...