The difference between koi carp and grass goldfish

Koi is a kind of high-grade ornamental fish that is popular in the world today. it has the laudatory name of living gems in the water and works of art that can swim. Grass goldfish is the ancestor of goldfish, its body and caudal fin are the same as ordinary crucian carp, slender and short, and suitable for raising in large ponds in parks. But do you know the difference between koi and grass goldfish? Let's take a look at it together.

Koi

Koi has a strong physique, bright colors, changeable patterns and masculine strokes, and has high ornamental and feeding value. Its body length can reach 1-1.5 meters, and its colors include one to three colors, including white, yellow, orange, red, black and blue (a light gray shadow caused by black under fish scales). The color is matte or glossy, although the pattern has endless changes. But the best patterns are small round spots on the top of the head and stone-like patterns on the back. Fish scales can be present or absent, large or small, or wrinkled, like a diamond.

Grass goldfish

Grass goldfish, commonly known as red crucian carp or gold crucian carp, has a spindle-shaped body, unbifurcated caudal fins, normal back, abdomen, chest and anal fins, strong physique, strong adaptability, wide eating habits, easy to raise, body color in addition to red, there are red and white flowers, flowers, etc., suitable for large area breeding in parks and natural waters, and can also be raised in courtyard tanks and aquariums.

The difference between koi carp and grass goldfish

1. The koi is the bearded carp, but the grass goldfish does not have the beard.

2, the whole body white head top red is the brocade carp, if has the sarcoma on the head no matter is red or not is the grass goldfish.

3. The carp is fat and round, while the grass gold body is flatter by comparison.

4. The dorsal fin of koi is slightly back, while that of grass gold is in front.