Human causes lead to the death of fish 00a8ff
1- Agricultural waste and fertilizers:
The entry of agricultural fertilizers into surface waters, such as lakes and streams, stimulates the growth of microorganisms that consume the dissolved oxygen content in the water, which leads to the suffocation of fish and aquatic organisms as a result of poor water quality, and also causes the appearance of unpleasant odors.
Dumping waste containing nitrogen and phosphorus into waterways, such as heavy metals and pesticides, kills fish; As they accumulate within the water, these wastes break down after a period of time and the materials decompose, thus reducing the oxygen level within the water.
These wastes also promote the growth of algae that fish feed on, but this algae harms them, as toxins accumulate inside the bodies of fish. The presence of algae inside the water affects the quality of the water and blocks sunlight.
2- Sewage water:
Pollution of seawater through the entry of sewage into it leads to the spread of some types of bacteria found in humans, such as: Escherichia coli, which causes disease. Solids in wastewater also affect the purity and color of the water, making it turbid and dark, affecting the fish's ability to see around it, and its ability to breathe.
Sewage contains microorganisms, and when dumped into rivers or seas, these organisms decompose, and use the oxygen dissolved in the water for aerobic respiration, which reduces the amount of oxygen dissolved in the water, so the fish will not be able to survive.
3- Chemical leakage:
The fish lays its eggs in shallow water areas or in streams. Chemical spills such as light crude oil and petroleum products such as diesel, gasoline, and jet fuel in shallow water kill these eggs. Light oils and petroleum products are highly toxic to fish, especially in the spawning stage
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- Molly tropical fish food
- Tayo ornamental fish food with vitamin C
- Siso nutritious fish food in different shapes
Natural causes lead to the death of fish
There are many natural causes that lead to the death of fish, and we list the most important of them as follows:
1- Lack of oxygen:
Lack of oxygen leads to the death of large quantities of fish, especially in the early hours of dawn, and symptoms of lack of oxygen appear, such as abnormal distribution of fish, as fish spread out at the edges or entrance of the tank.
2- Lack of food:
The lack of food causes fish to feel hungry, and if this continues, it may lead to their death. Fish can live from 3 to 7 days without eating, and some species may last for two weeks, thanks to their body mass. And having a sufficient amount of fat. .
3- Aging:
Aging is one of the natural causes that lead to the death of fish, and some signs appear that indicate that fish have reached old age, such as losing weight, eating less food, swelling around the eyes, changing the color of their bodies, fish floating on their side, and eventually developing breathing problems. .
4- Illness:
Fish are sometimes exposed to parasites, including: tapeworms, roundworms, or leeches, or they may be exposed to viruses or bacteria that cause the death of fish, and they usually occur in fish farm ponds, and this leads to the death of large numbers of fish. Fish.
Usually, some symptoms that indicate fish disease appear, such as: loss of appetite, lethargy, lack of activity, or the appearance of unusual behavior, in addition to the appearance of visible ulcers, bleeding, small black or white spots, and others. In this case, it must be treated in designated ponds. Under supervision and control.
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- Aquadin is a betta fish food rich in vitamins to enhance color
Reasons for the death of ornamental fish in the aquarium
There are several reasons that lead to the death of ornamental fish in the aquarium, the most important of which are:
1- Tension and pressure:
Stress and tension are among the most common causes of the death of ornamental fish, and there are several reasons that lead to stress, including: the tank being small and crowded, or the presence of a large fish that makes it feel uncomfortable, or the fish constantly swimming up and down, making it appear stuck in the tank.
2- The size of the aquarium is not appropriate:
The aquarium must be chosen in a suitable size for the place in which it will be placed, and based on it, the fish that will live inside it can be chosen, but if you place fish of inappropriate sizes in the aquarium, this will lead to their presence. death.
3- The fish species in the aquarium are not compatible with each other:
Some fish species are aggressive, and chase other fish, so they should be combined with fish species that can defend themselves, for example.
4-Inappropriate water specifications:
Water with healthy characteristics must be provided to maintain the life of ornamental fish, and to avoid premature death of fish, strips must be provided to check nitrate, ammonia, water pH, etc.
5- Overfeeding fish:
Only one meal a day should be provided and the fish will eat it within a few minutes. You should look for good quality, use several types, and switch between them.
6- Not cleaning ornamental fish tanks regularly:
The aquarium should be cleaned monthly, and it takes 30 to 60 minutes to clean.
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