Why is my fish running into the glass?

This is normally not something to worry about though. You will often find this is done in the corner of the aquarium and the reason why fish may be doing this is due to following their reflection or simply of boredom.
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Why do my fish keep swimming into the glass?

“Glass surfing” is when a fish – such as betta fish, gouramis, and cichlids – repeatedly swims up and down along the tank walls. It could be caused by stress, boredom, defense of territory, and other reasons.
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How do you stop glass surfing fish?

Glass surfing is when the fish repeatedly swims up and down along tank walls. This means he is stressed ,bored or being territorial. Make sure your tank is at the right water temperature for your fish and put some suitable live plants in the water where they can hide as it makes them feel safer.
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Why is my fish banging against the tank?

Strange Swimming: When fish are stressed, they often develop odd swimming patterns. If your fish is swimming frantically without going anywhere, crashing at the bottom of his tank, rubbing himself on gravel or rocks, or locking his fins at his side, he may be experiencing significant stress.
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Why is my fish running into the walls?

Poor Water Quality and Inadequate Tank Size

Some fish will develop repetitive motions just from being kept in a tiny tank, but the most common reason is that the water quality is poor. Goldfish produce even more waste than some tropicals and need a lot more water per fish and a good filtration system.
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Why is my fish chasing the glass!? Answered!



How do you tell if fish are happy or stressed?

Your fish are happy and healthy when they:
  1. Swim actively throughout the entire tank, not just hanging out or laying at the bottom, floating near the top or hiding behind plants and ornaments.
  2. Eat regularly and swim to the surface quickly at feeding time.
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How do you tell if fish are playing or being aggressive?

This being the case, you may need to look for signs of fighting rather than watching for the actual signs of aggression. Things like split fins, changes in behavior among your fish, changes in territory, scratches and scrapes, missing scales, and obvious wounds are all signs of fighting.
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How do I know if my fish is suffering?

Weakness or listlessness. Loss of balance or buoyancy control, floating upside down, or 'sitting' on the tank floor (most fish are normally only slightly negatively-buoyant and it takes little effort to maintain position in the water column) Erratic/spiral swimming or shimmying.
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Does tapping on an aquarium bother the fish?

The same noise level in the air could lead to serious hearing damage over time. And fish have it even worse: since the sound pressure is four times higher under water than it is in the air, a good portion of deaths in public aquarium can be traced back to repeated tapping on the glass.
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How do you know if a fish is gasping for air?

“Gasping” or "piping" is the term for when your fish is rapidly breathing at the water surface, often with part of their mouth above the surface. This is most often a sign that your fish isn't getting enough oxygen.
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How do you calm a stressed fish?

Ways to Reduce Fish Stress
  1. Change water frequently to keep nitrate and ammonia levels low. ...
  2. Check water temperature for consistency regularly to prevent stressful fluctuations.
  3. Provide an optimal filtration system like the Fluval Underwater Filter that captures debris and bacteria while ensuring proper oxygenation.
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How do I increase oxygen in my fish tank?

Increasing water movement is the quickest way to increase oxygen (O2) levels in a fish tank, as it allows more O2 to dissolve and carbon dioxide (CO2) to be released. This can be easily done using an air pump, performing large water changes, manually stirring the water, or placing a fan near the aquarium.
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Can a stressed fish recover?

Aquarium fish can become stressed by any number of things ranging from poor water quality to disease to changes in tank parameters. In some cases, mild stress is something your aquarium fish can recover from but, in many cases, it is an early sign of something that can become a major problem.
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Why are my fish darting to the surface?

Lack of oxygen in the water will cause your fish to swim to the surface to breathe; the concentration of dissolved oxygen is highest here. As soon as you notice that most of the fish are gasping for air near the surface, act immediately because this is a clear sign of distress.
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Do fish like when you tap on the glass?

Tapping on fish tank glass scares fish simply because it bewilders and disorients them. They have no idea what's going on, and all of a sudden they hear an overwhelming tapping sound that's completely puzzling to them.
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How can I make my fish happy?

To keep your fish happy and healthy, following these tips will help make maintaining an aquarium fairly easy and trouble-free.
  1. Acclimate your fish. ...
  2. Float your fish. ...
  3. Room to roam. ...
  4. Condition the water. ...
  5. Maintain proper pH Levels. ...
  6. Replace aquarium water.. ...
  7. Maintain adequate water temperature. ...
  8. Clean the sides of the tank.
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What should you not do in an aquarium?

Don't allow store water to enter your aquarium when adding new fish. Don't add too many fish at one time, especially in smaller or newly set up aquariums. Don't overstock your aquarium. Fish that are crowded may fight, and overstocking can lead to water quality problems.
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Can fish in a tank see you?

Besides being able to see their prey and recognize their owners, fish also can see a range of colors, since they have color receptors in their eyes. Many species of fish can also see ultraviolet light, which humans can't.
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When fish are dying what do they do?

Most fish sink to the bottom of their habitats when they die but they become more buoyant as the process of decomposition takes over. Most fish are slightly denser than water, so sink immediately after death.
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How do you know if your fish isn't getting enough oxygen?

Signs of Low Oxygen

They will swim less vigorously and even eat less often. As oxygen levels drop further, the fish will begin to show labored breathing and more rapid gill movements as they desperately attempt to get enough oxygen from the water by passing more water over their gills.
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How do you know if a fish is in pain?

Numerous studies in recent years have demonstrated that fish feel and react to pain. For example, when rainbow trout had painful acetic acid or bee venom injected into their sensitive lips, they stopped eating, rocked back and forth on the tank floor, and rubbed their lips against the tank walls.
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How do you know if fish don't get along?

Such signs include marks on its body and nips on its fins. A fish that is injured will shy away from the other fish to give itself time to heal. Territorial fish are likely to be aggressive toward fish of their own species that are of the same sex.
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What is abnormal fish behavior?

Abnormal behaviors such as loss of appetite, difficulty swimming and rubbing against tank objects are often symptoms of disease and they should not be ignored – as soon as you notice your fish displaying behavioral changes it is imperative that you take action to determine the cause of those changes.
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What is normal fish behavior?

Some spend all their time eating, sleeping, and swimming near the bottom. Others seem inactive during the daytime because they are nocturnal. If odd behavior starts suddenly, however, it may be the result of a disease such as a swim bladder infection. Water quality or diet issues usually cause infection.
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