2. Food: This kind of fish is a typical carnivorous fish, so you can choose to feed some small fish and shrimp, and then there are breadworms and the like. In addition to feeding such meat bait, you can also feed some green algae food regularly, which is also good for its health and can make the fish more colorful.
3. Prevention of diseases: It is best for this fish to live in an environment with enough light, and the light time should not be less than 8 hours every day, so that the system can be stronger. It is also necessary to sprinkle a little salt in the nourishing water regularly, because this can help to sterilize and prevent the occurrence of water mold.
Extended data:
The main species of crested fish are red-tailed crested fish and jade-faced crested fish:
1, Red-tailed crested fish: Red-tailed crested fish is mainly found in the rivers of Ecuador and Peru in South America and belongs to Lepidoptera. It is a very important edible fish in the country of origin. Yellow croaker with red tail is a kind of wooden stick, its surface is covered with metallic orchids, its head and forehead are dark red, its cheeks are covered with several blue-green arcs on a dark red background, its dorsal fin has orange edges, and the metallic orchids on its pectoral fin and gluteal fin are embedded with ivory highlights. The netted black phosphorus blocks are neatly stuck on the metal orchid body plate, and the prominent red tail is in sharp contrast with the whole metal orchid, which is extremely bright and magnificent under the light, even comparable to the colorful fairy king of tropical fish. The larvae of red-tailed crested fish are very similar to those of two or three months old sapphire fish, but careful identification shows that the larvae of red-tailed crested fish are dark gray with faint red edges on the tail and dorsal fin, while the larvae of sapphire fish are light gray. The body length of the red-tailed crested fish can reach 13~25 cm. When the environment changes, it is easy to jump from the dark environment to the bright environment; It is more stable. Red-tailed crested fish is a kind of bottom fish with strong regional characteristics. Usually used to gather and play in places such as small bridges and rockeries. There is a struggle between males of the same species, and it is best to raise big fish when interbreeding. Mixed culture swims among other fish, can live in peace with other fish, and has a relatively gentle personality.
2. Jade-faced crested fish: it grows in the Amazon river basin of South America. It is 25 cm long and its body color is bluish yellow. The feeding water temperature is 20 to 28 degrees Celsius, and the most suitable domestic water temperature is 26 degrees Celsius. The requirements for water quality are not strict, and it can grow and develop normally in weak acid to weak alkaline soft and hard water.