1. Can fish be raised in a water depth of 20 cm You can raise fish in a water depth of 20 cm, but you can't raise fish that are too big, because the water is shallow and the fish often can't move. This kind of fish tank is suitable for raising some small fish, such as goldfish, lantern fish, guppy, Mary fish, betta fish, etc. Their length is generally only a few centimeters, and the requirements for water depth are not very high, and it is easy to raise, especially suitable for novices. Although these fish don't live long, most of them breed easily.
2. What fish is suitable for raising in shallow water1. Goldfish: If the water is shallow, it is generally suitable for raising goldfish. There are many kinds of goldfish, which are divided into four categories: grass species, culture species, dragon species and egg species. Among them, grass species goldfish is the most common and best to raise, followed by culture species and dragon species, and egg species are difficult to raise, but they are the mainstream now, because they are cute in shape.
2. Lantern fish: Lantern fish is a small fish in South America, and the common ones are lotus lantern fish, traffic light fish, flame lantern fish, one eyebrow Taoist and so on. This kind of fish is most suitable for raising in grass tanks, which is harmless to aquatic plants, can devour algae, and has good ornamental value. It can even swim in groups when raised much more.
3. Guppy: Guppy is a common small tropical fish. Because of its small size, it does not require high water depth. This kind of fish has strong adaptability to the environment, can endure dirty water, likes slightly alkaline water quality, and mainly eats plankton and insects.
