Submarine fish should not be mixed with other fish, shrimps and snails.

1. If you want to keep the boat for a long time, you must use soda water, so it cannot be mixed with freshwater ornamental fish that are intolerant to salt.

2. Small boats are aggressive to a certain extent and may attack other fish. To avoid tragedy, do not mix small boats with fish that swim slowly and are unable to resist.

3. Shrimp and snails are the main food sources for small boats in nature. Unless they are shrimps and snails used to feed small boats, please do not put them in the boat tank

Extended information: Reproductive and migratory habits of submarine fishing gear. The juvenile fish inhabits freshwater waters. As the fish matures, As the salt content required by the body increases, it gradually turns to high-density waters to inhabit.

Although it is small, it will eat the fins of other people and will attack other small fish. It especially likes to bite the tail fins of other fish and even its companions. The special structure of its esophagus allows the submarine fish to inhale air and water when encountering enemies or being frightened, causing its chest and abdomen to swell like a ball, with small spines on its skin standing upright. It floats on the water and pretends to be dead in order to defend itself. When it is safe, it will Quickly discharge the air and water in the chest and abdomen and swim away quickly. In addition, it also has the habit of gnashing its teeth and will make a "cooing" sound when captured.