Redtail. Warble mouth yellowtail retail price is generally 12 to 20 yuan a catty, warble mouth red tail fish in the market price sold to a catty 300 yuan price, warble mouth yellow tail and warble mouth red tail compared to the red tail is more expensive. Warp mouth is carp family, bleak genus of a fish, long body, lateral compression, ventral ribbing completely, mouth upward, mouth cleft a few perpendicular to the body, the lower jaw upward, the eyes are as big as the eyes, the distance from the posterior edge of the eye to the end of the muzzle is less than the head of the eye after the head length.