The difference between grass carp and grass carp

Grass carp and carp are very common fish, they can be seen in ponds, lakes, rivers. What is the difference between grass carp and carp, do you know?

I. Differences in form

1. Grass carp: The grass carp body is slightly cylindrical, the head is slightly flat and the tail is flat. The mouth is curved, without any need, and the upper jaw is slightly longer than the lower jaw. The body is light yellow, the back is green gray, the abdomen is gray, the chest and ventral fins are slightly gray yellow, the other fins are light gray, and the body is longer, and the abdomen is not ribbed. Flat head, flat tail. Hypopharyngeal teeth in two rows, flat side, comb-shaped, lateral teeth with transverse groove. Dorsal fin and anal fin are not hard thorn, dorsal fin and pelvic fin opposite. The snout is very short, and the length is less than or equal to the diameter of the eye. The length behind the orbit exceeds half the length of the head.

2, grass carp: grass carp body side flat and abdomen round, mouth horseshoe shape, must be 2 pairs. Scales have cross veins, scales are not white after death. There is a flank scale from beginning to end. No matter the size of the fish, there are thirty-six scales, each with small black spots. Dorsal fin base is longer, dorsal fin and anal fin have a stout hard spine with serrations. The sides of the body are golden yellow, and the lower leaves of the caudal fin are orange-red.

II. Differences in Character

1. Grass carp: grass carp is lively, swims quickly, often forages in groups, gluttony, typical herbivorous fish, feeding zooplankton in fry stage, feeding insects, earthworms, algae and duckweed in juvenile stage, etc. When the body length reaches more than 10 cm, it completely feeds aquatic higher plants, especially Gramineae plants. The types of plants eaten vary with the food base in the living environment.

2. Grass carp: Grass carp belongs to benthic omnivorous fish and eats both meat and vegetables. A wide range of bait, snout bone developed, often arch mud feeding. Deep in the mouth there are throat teeth for grinding food. Omnivorous, digging for food often muddy water, increase turbidity, have adverse effects on many animals and plants. Winter into hibernation, sinking in the bottom of the river, do not eat anything.

Grass carp and grass carp are a certain difference, in the purchase of time, must be carefully identified, so as not to buy the wrong.