There is little information about freshwater puffer fish, and there are almost no books and introduction websites about aquaculture in China, so we can only rely on the exchange of experience between friends. There are many kinds of dog heads, no matter their appearance, body shape, personality and behavior, but the most common ones in the aquarium are gold dolls and eight-character dolls. In addition, due to the closed information, the naming of dog heads can be said to be varied, which often makes people dizzy. The dog's head belongs to Tetradontidae in the seven layers of biological classification "Cladocera, Genus and Species", and the puffer fish mentioned in our mouth can swallow water or air into the sac inside the abdomen and cause exaggerated expansion as long as it is attacked (fished out of the water) or fights with other fish. These fish are puffer fish and puffer fish. The pufferfish family belongs to the well-known Diodon holacanthus, and the pufferfish family is the invincible and super cute dog head and doll in our world ~
The species of Echinosauridae are quite diverse, such as spindle, hemp, drumstick, etc. Some species live in brackish water environment, that is, the junction of fresh water and seawater; Some of them live in pure fresh water.
Selection and purchase
Activity is an indicator of shopping, but because the dog heads are very different, such as V-shaped dog heads, golden unicorn dog heads, red papaya dog heads and so on, those who are quite introverted and inactive are very different from South American dolls and crown dog heads. Therefore, in addition to judging whether the dog's head is healthy through activities, when buying a dog's head in a fish shop,
(1) first judge from the appearance integrity. You can't buy an injury that won't heal (such as blindness).
(2) People who are thin and have an unnatural swimming posture may lose appetite or have parasites in their bodies.
(3) Compared with other fish in the same environment, fish that are too dark or too bright may be maladjusted or have parasites in their bodies.
(4) Whether there is mucoid mucosal hyperplasia on the body surface and whether there is a wound with water mold.
(5) You can drop a Zhu and observe its reaction. It is basically safe to eat immediately.
(6) Try to choose a stronger or larger one.
In fact, the dog's head is a strong fish species. With careful feeding, except for the above (1), all the others can be significantly improved within three weeks. So if you meet a favorite dog head, you can take good care of it when you go home.
rise
It's not just the dog head. If you want to raise fish well, the highest principle is to restore its original lifestyle in nature and try to restore the fish's environment in nature. This also includes the originality of the game, full of infinite fantasy about the experience situation. Thousands of kilometers away, through the glass of the aquarium, the Amazon rainforest and the African jungle basin are close at hand. I think this is the place where the aquarium can always attract me. To raise a good dog head, we must first understand its behavior characteristics and water properties. Is it steam water or inland river? Different fish species have different requirements.
Glass fish tank
Generally speaking, the advantage of having a dog head is that it doesn't need much space. In addition to larger dog heads, such as crown dog heads and zebra dog heads, which are more active and can grow to more than 40 cm, or even 6 or 70 cm, they also need a larger fish tank with a standard tank of more than two feet for them to grow happily. Self-erecting an angle steel, taking three one-foot black cylinders as a group, just using a 2-foot lamp holder. In addition, it is also very suitable for other dogs to basically keep a one-foot black tank.
environment
Although we should avoid using Shenmu, which will make water sour, especially Shenmu will accelerate the release of tannic acid when it meets salt, tannic acid does have the effect of stabilizing fish, and the tap water quality in Taiwan Province Province is mostly alkaline (about pH 7.8), so you can consider it yourself. Basically, the dog's head is a little shy and doesn't like direct light, so some caves can be built with stones, wood fossils and goo goo stones to cover it; Speaking of giant salamander, it needs shelter more, because it is too lonely to keep a doll in a one-foot black jar, and it will fight if it is kept too much. In addition, some dogs, such as red papaya dog head, V-shaped dog head and white pearl dog head, can drill bottom sand, so the bottom sand can be thicker and the sand as fine as possible, and fine coral sand is a good choice. Incidentally, the color of the bottom sand will affect the bright color of the dog's head. That is, with a little protective color, the dog's head will become closer to the color of the environment. For example, the bright yellow of zebra dog's head is suitable for pure white coral sand to enhance the brightness of color, not suitable for black gold sand. As for the red papaya dog's head, everyone wants it to be red and dark, and you can try black gold sand. Is the aquarium suitable for dog heads? Strictly speaking, "inappropriate". Although the environment of the water plant tank looks more beautiful, the dog's head will bite the arranged water plants, and some bottom sand will hold up the grass roots. The most important thing is that you can't add salt to the aquarium, which is fatal to some giant pythons.
filter
The dog's favorite living environment is the same as that of the West African snapper, and it prefers the environment with slow water flow and slightly weak light. Therefore, submerged pneumatic sponge filtration such as "water demon" is the best choice. Remember not to blow too big bubbles, because when dogs eat, their heads will be messy and there will be too much excrement. Too large bubbles will produce dirt, making it difficult for water to precipitate and clarify. For larger fish tanks, you can consider using an external or upper filtration system, or a higher-grade external drum filtration system, depending on the dog's own personality. When setting up a new tank for the first time, due to insufficient culture of digestive bacteria, you can't wait to raise fish. It is suggested that you sprinkle a layer of Yuleshuang (powdered concentrated digestive bacteria) on the bottom of the tank and pneumatic sponge before laying the bottom sand. Then add 2/3 of clear old water to other old tanks, and the remaining 1/3 can be added with mineral water or boiled water. For an impatient person, this is a "left step".
water quality
Dog heads and dolls are divided into pure freshwater fish species produced in inland rivers and estuary fish species in steam waters, which need thickening salt to survive (live for a long time). Pure freshwater fish: In addition to general management, such as changing water weekly13, the concentration of chlorine and ammonia nitrogen in water can be maintained at neutral hard water quality. Fish in Steam Water: Steam water is brackish water and brackish water. This kind of fish is tolerant to water quality, but it doesn't mean that it will die if it can endure for a long time! Has anyone raised a figure-eight doll for more than a year? It is not easy. Generally, the pH value of water quality should be above 7.5, at least not lower than pH7.0, and the hardness should be kept between 5 and 5~20dGH. Therefore, every time you change water, you should add a little crude salt, and a black jar of one foot of pure fresh water and a spoonful of ordinary stainless steel spoons of crude salt will do. Raw salt goes to chemical raw materials, and the unit price of aquarium packaging is too high.
fodder
Dog heads eat almost all live meat. From the mouth shape, such as red papaya, V-shaped, golden unicorn dog head, hanging pork pout, taking small fish as the main bait, supplemented by shrimp. Crown and zebra dog head with their mouths in front of their faces take crustaceans and snails as the main bait and small fish as the auxiliary. But it's hot in summer, so it's not easy to keep live shrimp. If you have nothing to do, feed them all to Zhu. My crown dog, I feed it crayfish and clams occasionally. It eats with relish and makes a "quack, quack" sound, like eating shrimp first and then swallowing it with its shell. In addition, muscles, frogs and tadpoles are collected in order. Smaller ones, such as golden dolls, horoscopes, red-dot horses, chocolate dolls, etc. , mainly frozen shrimp and red worms. On the other hand, bait is the best artificial bait, because it is balanced in nutrition and well prepared, and it is not easy to pollute water. Only the dog-headed doll is a bait that is difficult to tame. By the way, the immobile dog, such as red papaya, just bought home and didn't adapt to the environment and didn't eat for a week. At this time, Zhu's tail can be cut off to make the smell of blood arouse the dog's appetite. In addition, slow-moving dogs can also catch Zhu. This law applies to all dog heads.