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Reproduction and rearing of map fish
Map fish, also known as black pig fish, star cichlids, tail star fish, pig larvae, cichlid family, native to the Amazon Basin of South America, Venezuela, Brazil, with Guyana as the main origin. Map fish is a larger fish in tropical fish, up to 30 cm in length under captive breeding conditions. There are now several different varieties. The fish on the map is stout, flat on its side, oval-shaped, tail-scalloped, with large head and large mouth. The color of the fish base is dark brown, irregular golden patches on the ground, and some red stripes, similar to the map, so the name of the map fish. Because of its dark body color, it is also known as black pigfish. At the base of its caudal fins, there is also a ring in the middle that is surrounded by gold and yellow sides. When it swims, it glitters. It is also called the tail star fish. The dorsal fins of the map fish are very long. The base of the caudal fin is formed from the back of the corresponding part of the pectoral fin. The first part of the fins is composed of short serrated fin spines, the latter part is composed of longer rays; the pelvic fins are long-sharpened; Edge arc shape. Although the color of the map fish is monotonous, its form is very unique and has unique ornamental value. At the same time, its meat is delicious and has edible value. According to reports, after the map fish was artificially fed, it was very emotional. When people approached the aquarium, it would swim over and said they would welcome the rearing of the map fish. It is easy to keep the map fish and breeding is not difficult, so it is popular with people. . It is not demanding on the water supply, and it can normally live in weakly acidic, neutral and alkaline waters. The suitable water temperature is 22-26 degrees Celsius. The map fish looks awkward. In fact, it is very flexible in swimming. It is agile and fast-feeding. It is gluttonous, eats live animal food, and is a ferocious fish. It is able to eat leeches, clams, small fish, and shrimp, so it is not appropriate for other fish. Polyculture. When feeding a family, pay attention to its omnivorous nature. In addition to feeding it with some small fish, shrimp, and quail, you can also feed some lean meat, etc., so as to avoid causing it to eat a single food, non-fish shrimp do not eat. Due to the large size of the map fish, a large aquarium must be selected for breeding, some plants can be planted, and 1/5 of fresh water should be exchanged for each person. The colors of the map fish vary with age, and the brightness is closely related to the light, and sufficient illumination should be given when breeding. The fish in the stratum of the genus Mapus are growing rapidly and have a long life span. They can live for more than 10 years and can be said to be long-lived tropical fish. The male and female identification and reproduction of map fish is difficult to distinguish between male and female fish. Generally speaking, males have higher and thicker heads, and dorsal fins and anal fins are longer and sharper. Plaques and stripes on the body are more attractive. The female body is thicker and has a smaller anal fin, and its body color is not as bright as a male. The fish on the map are oviparous fish, which matures at 18 months of age and can be bred several times a year, mostly in summer and autumn. Breeding is not difficult. Under normal circumstances, rearing aquarium fish in aquariums, when they are sexually mature, they will love each other and pair each other. Just pair the natural broodstock into the breeding box. Breeding boxes also need to use larger, reproductive water hardness of 7-10, pH7-8, water temperature to 25-26 degrees Celsius is appropriate. In the breeding box, some smooth stones or porcelain plates are placed in advance to make eggs. Before the broodstock lays its eggs, it is necessary to clean the attachments with their mouths and then lay the eggs on them. In general, each female can produce about 800 grains, and more than 2,000 grains. The map fish has the habit of protecting eggs. The fertilized eggs can be hatched into larvae in about 48 hours. At this time, the broodstock should be fished out and raised so as not to injure the larvae. After about five days, the larvae began to swim and feed. The opening food should be fed with “drip waterâ€, and after 1 week, they should be fed with small fish.