Seven-star saury (confirmed introduction) < /p>

The swordfish gradually becomes thinner from the center to the tail, the abdomen is rounded, the upper jaw is longer than the base of the pectoral fin, and the pectoral fin rays are slender, mostly with 6 long thin rays. Silky, the anal fin is long and runs through the caudal fin, the caudal fin is short, the anal fin has 80 soft rays, the body length can reach 26 cm, the body is long, the sides are flat, and it tapers backwards into a sickle shape, hence its name.



1. Monster Swordfish



The body of the black monster is knife-shaped, with flat sides and no dorsal fin. The anal fin is long and prosperous, and the tail fin is club-shaped. When it is a juvenile, it is in the shape of a knife. There are two white spots on the tail fin, but they will fade and disappear as they grow. Another coffee-colored species that we grow together is called "Coffee Monster." It has a cruel name, but it has a gentle habit and can be kept together with the vast majority of hot fish. 

"Monster", this name only expresses its magical personality--The black monster likes They are nocturnal and spend most of their time hiding in dark environments such as densely planted aquatic plants and crevices in rocks and heavy trees. Therefore, except for the breeders, others will not pay much attention to their existence in the aquarium. When they occasionally stand and swim across the aquarium during the day, they are like a black ghost that suddenly appears. .

Growth characteristics 

They are oviparous fish, and their growth is extremely difficult. They require specially designed aquariums and harsh feeding conditions to successfully grow. The suitable water temperature is 23~27℃, which is sensitive to water quality. It meets the pH: PH 6.5-7.2 and the hardness (dGH): 4-12°N. They are extremely strong and rarely get sick. Photographed by Wu Moguai XijiaEat animal live bait, such as water earthworms, red worms, etc. But it is also very easy to handle all kinds of artificial bait. However, it has a kind name, but it has a gentle habit and can be kept together with the vast majority of hot fish. However, adult fish will eat small fish, so special attention must be paid.

When it is observed that the abdomen of the female fish is inflated and the male fish follows closely behind the female fish, a pair of brood fish can be caught In the growth tank, control the temperature between 26-28 degrees and maintain good oxygen and water quality in the tank. During the growth period of broodstock, feed frozen red worms and annual shrimps, and avoid feeding live food to prevent the carried bacteria from causing harm to the fish. Place a clean porcelain plate and aquatic plants with leaves in the growing tank as a growing place. At the same time, place heavy wood for the male fish to escape. The female fish lays eggs in a radial pattern, and the eggs are ejected one by one. They should not be disturbed during spawning. A slight abnormality will cause the female fish to stop spawning.



2. Seven-star saury< /p>



Seven-star saury is also known as bowback fish, seven-star flying saury, Japanese saury, and flower saury. Body length 80 ~ 90 cm. The front part of the body is simple and honest, the tail is small and pointed, and the back is slightly arched. Scattered in India, Myanmar, and Thailand. Seven-star saury has a gentle nature and likes to eat live small fish and shrimps. Shape and customs: The seven-star swordfish can reach 1 meter in length, and the ones kept in aquariums are shorter.

Seven-star swordfish basically hides behind rockeries and other hidden objects during the day, and only comes out to eat small fish at dusk. It can be mixed with fish of the same size. It is best to have rockeries, heavy trees or tall aquatic plants for it to hide in the fish tank. The water temperature is about 25 degrees and the water quality is slightly acidic. You may wish to purchase an original pH test paper and measure the pH value of the water from time to time. The best range is 6.5-7. Fish raised in polyculture should also like slightly acidic water quality.



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