no feet, because they live in the water, mainly rely on fins and tails to move, rely on gills to breathe, they can not leave the water, so the feet slowly degenerate. Goldfish is evolved from crucian carp. It is a world-famous ornamental fish. It originated in China more than 1700 years ago. Goldfish are gentle and easy to raise, and now many fish enthusiasts will raise several goldfish. They can accept a wide range of water temperature and adapt to a wide range of water quality, and they have many kinds and colors, which are more ornamental.
a goldfish look like? As mentioned above, there are many kinds of goldfish. Different kinds of goldfish have different body shapes. Here are the characteristics of several categories in detail.
Grass goldfish is more common goldfish, their body color is mostly uniform, the head has a pair of nostrils and mouth, from the trunk to the tail fin, followed by pectoral fin, dorsal fin, pelvic fin, tail fin, they have scales all over the body, the tail is larger than ordinary fish.
Wenzhong goldfish have improved their tails on the basis of grass goldfish, so their tails swim very gracefully. The eyes of
dragon goldfish are different from those of ordinary goldfish. They have a pair of prominent eye bubbles, which look very beautiful. The body of
egg goldfish is round, but it has no dorsal fin, and it is more beautiful and lovely when swimming.