are the freshwater fish? There are grass carp, koi, crucian carp, catfish, silver carp and other species of freshwater fish. In a broad sense, freshwater fish refers to a kind of fish living in freshwater with a salinity of three thousandths. In a narrow sense, it mainly refers to fish living in freshwater. Freshwater fish belong to vertebrates, with many species, which can be seen everywhere in China. Different varieties have different characteristics. Next, we will introduce several typical freshwater fish:
grass carp is a kind of herbivorous fish, the body color is light yellow, the abdomen is black and white, and the scales on the side of the body are black. Koi is a kind of ornamental fish, which is mainly used in family fish farming. Koi has many colors and high ornamental value. Crucian carp likes to live in groups and is mostly distributed in rivers, seas and lakes. Catfish has no scales on its body and much mucus on its body. Now many of them are cultured catfish, which like to live in water of 20 to 25 degrees. Silver carp has a flat body, a large head, a gray-white fin, an impatient temperament, and likes to jump.
are the freshwater fish that are durable and easy to raise? 1. Goldfish: a very common freshwater fish, which is relatively solid and easy to raise. The body color is very diverse, and it is a domestic fish with strong ornamental value.
2, Thailand betta: natural disposition is lively, vitality is stronger, it is the introductory fish of novice pisciculture person.
3, guppy: body color is bright-coloured, food is easier to choose, very easy to feed.
4, zebrafish: relatively strong swimming, posture is very beautiful, the water temperature and water quality requirements are not high, relatively easy to raise.
5. Tiger skin fish: strong constitution and easy to raise.
