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Before entering the main text, it should be noted that the piranha, also a piranha, is prohibited from import and trade in China, because piranhas have been found in the wild waters of the southern region and attacked humans.
Among the large number of ornamental fish, there is a relatively special group, which is the fierce fish. In the wild, they are generally in the upper middle and upper layers of the food chain, belonging to ferocious predators, such as giant storms, platinum fierce, zebra head and so on. In China, there are naturally fish species that can be called fierce fish, such as snakehead. In addition, the fierce fish are not all giant macs, such as Mark Toast, the adult body is only 10 centimeters, but it is still a fierce predatory fish. If you want to know about the fierce fish, recommend a documentary, "The Troll in the River", which is still very good!
What this article wants to talk about is that among the ferocious ornamental fish, it is a relatively popular piranha, that is, the water goby!
We often say that the water goby actually contains five genera of fish in the sawfish family, of which we often say S and P, referring to the serrasalmus and Pygocentrus. The specific classification and corresponding common piranha species can be referred to the figure below.
S genus goby and P genus goby, the difference in feeding is that S genus is generally only suitable for solitary culture, that is, solitary, and P genus of goby is suitable for group culture, generally only in the case of group culture can be out of the state, often said that the wolf pack in the water, usually refers to the P genus of the water goby.
The distinguishing features of the two in terms of appearance are mainly in their heads, the head of the genus S goby is triangular and the mouth is pointed, while the head of the genus P is mainly rounded.
Choice of tank size
Whether it is for the gregarious genus P goby or the S genus goby who prefer to live alone, the arrangement in the rearing environment is similar, the only difference is the size of the tank.
For S genus goby, for the size of the corresponding species, choose the corresponding size of the fish tank, generally recommended 90 cm long to start. For P genus piranha, especially basically group culture, the size requirements are higher, it is recommended to start at least 120 cm long! The above size refers to one step in place, the goby in the case of sufficient food environment, growth is relatively rapid, one step in place, to avoid the trouble of frequent tank changes!
Arrangement of the in-cylinder environment
In terms of environmental arrangement, fierce fish generally appreciate their swimming posture and hunting heroic posture, so it should not be too complicated in environmental arrangement. For piranha, naked tank rearing is actually more appropriate.
In addition to beautifying the environment, as long as the purpose is to provide shelter space for the piranha that has just entered the tank, to help it survive the adaptation period of the new environment, and the other is that for the group P genus goby, it can slightly alleviate its cannibalism, that is, the problem of internal friction.
Of course, if you like a beautiful environment, more complex landscaping is naturally OK!
Goby hair color environment
In terms of environmental arrangement, there is also a problem with the hair color of the goby, the hair color of the goby, the main reason is in its species, followed by the environment. For hair color, there is a more popular saying, that is, light environment hair color, dark environment pattern, this sentence is not absolute, but for goby fish, it is still more applicable.
Therefore, if you want the hair color of the goby fish, it is recommended to use a light color, such as a white background on a white background, and it is also recommended to lay white sand on the sand.
Selection of filtration and control of water temperature
Goby is more adaptable to water quality, so it is actually not very picky for filtration, but good water raises good fish, and the goby under good water quality and the goby in a state of worrying water quality are naturally different.
If there is space in the cylinder cabinet, the priority recommendation is naturally the bottom filter, the cycle of the main cylinder plus the bottom cylinder, and secondly, you can choose the upper drip. In the case of bottom sand, if the hands-on ability is strong, you can use the same distance to cooperate with the above two filtration methods.
The water temperature for raising goby is recommended to be constant at about 28 degrees, remember 28 degrees, which is a more common temperature for raising tropical ornamental fish!
The feeding of water goby does not have much to worry about, dead food live food comes not to refuse, of course, live food is naturally the best, some common feed fish on the line, more loach grass gold and the like, feed white rats and the like can be exempt from it, raise a fish only, do not engage in so bloody!
In terms of the size of live feed, try to follow how big the mouth is and how big the feed is fed! Of course, it doesn't matter if it's slightly larger, but the size of live feed fish should not exceed the size of piranha fish. Although the piranha is a predatory fish, its gall is still relatively small.
As for the amount of feeding, in the temperature is suitable, that is, 28 degrees, you can try to feed, but remember to fish out the feed residue in the tank and the surviving feed within a certain period of time after feeding, so as not to spoil the water quality and affect the survival of the goby.
In the goby trade, there is a typical scam, which is to use freshwater white pomfret to impersonate red-bellied goby and sell it. But with a little attention, you can avoid falling into this sinkhole.
Look at the mouth
The mouth of the red-bellied goby is generally ground-covered, that is, the lower jaw is protruding, longer than the upper jaw, and the teeth of the goby are sharp triangular serrated.
The mouth of the freshwater white pomfret is flush with the upper and lower jaws, the lower jaw is not protruding, and the teeth are fine needle-like.
Look at the tail
The tail of the red-bellied goby is usually a longitudinal stripe of black, white and black.
The tail of the freshwater white pomfret is usually white and black longitudinally patterned.
The above two methods are combined to basically distinguish the two, and they are almost inseparable!
The adaptability of goby is relatively strong, so it is recommended to raise friends with goby and do not release goby into wild waters. Although the vast majority of piranha live in tropical areas, their adaptability is relatively strong, and they can survive in the wild in some areas of southern China if they are not balanced, which will be an ecological disaster. If you really don't want to raise it, don't forget that the goby is a good delicacy in its place of origin!
Reprinted from: WeChat public number Motono nature original author: Barbates Editor finishing: More part of the picture from the network, only for learning and exchange, if there is a copyright problem please contact us, we will immediately make a deal!
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