The body is slightly larger, generally 30~40 cm long, flat left and right, and the abdomen is round;

The back is slightly raised in front of the dorsal fin;

The mouth is horseshoe-shaped; There are 1 pairs between the snout and the jaw, and the length of the latter is twice that of the former.

The branchial stalk is short and has pharyngeal teeth.

Carp scales are large and round, with a pair of pectoral fins and ventral fins, 1 dorsal fin and arm fin, and forked caudal fin.

Both dorsal fin and arm fin have hard spines, and the trailing edge of the last thorn has lead teeth. The back of the body is grayish black, the lower part of the lateral line is nearly bluish yellow (partially black), the ventral surface is white, and the dorsal fin is slightly black. ?

European crucian carp

Generally, it is 15 ~ 20cm long, with flat side, bulging back, high and wide belly.

The head is short and small, the kiss is round and blunt, there is no kiss and jaw, the gill rake is thin, and there are pharynx teeth.

The scales are large and the lateral lines are obvious. Crucian carp, like carp, has a pair of pectoral fins and a pair of ventral fins, a dorsal fin and an arm fin, and the caudal fin is bifurcated.

The dorsal fin and the arm fin also have hard spines, and the trailing edge of the last thorn has serrations.

The back of crucian carp is blue-brown, the ventral surface is silver-gray, and each fin is gray-white, but its body color is different because of the different waters where it grows. ? I also remind you that if you want to buy crucian carp, it is best to choose February-April and August-65438+February, because crucian carp is the most plump at this time.