Goby fish
Characteristics of two kinds of fish: 1. koi fish characteristics:
Omnivorous Koi fish has a gentle nature, likes to travel in groups, is easy to raise and has strong adaptability to water temperature. It can live in the water temperature environment of 5-30℃, and the growth water temperature is 2 1-27℃.
Besides the water temperature and the abundance of food can affect the growth rate of koi fish, the growth of female and male fish is also very different. Koi fish's age determination, like most fish, determines the number of scales' rings, which indicates koi fish's age.
2. Characteristics of goby:
The goby is characterized by its slender body and small size, most of which are shorter than 10cm. There are two dorsal fins. The first one has several tiny spines, a series of small sensory organs on the head and sides, a round tail and bright colors on the body. Some species, such as the crystal goby in Europe, show transparent colors.