Angelfish Behavior Before Death

sign of angelfish is going to die

Angelfish Behavior Before Death7 mins read

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sign of angelfish is going to die

Angelfish are marvelous creatures but if you have a tank of them, you may be worried about spotting Angel Fish Behavior Before Death. Although they are trendy, many angelfish owners have had to deal with some unusual situations. While caring for them, you may encounter specific problems that make life more challenging. In particular, finding that your pet may be dying and trying to discover Causes of Angel Fish death can be very stressful.

If you’re beginning to see some concerning signs, we’ve compiled a few tips on what to look out for in your angelfish. With awareness of these situations, you should have an easier time spotting dangerous signs before it’s too late.

Unfortunately, angelfish are very delicate creatures that can die suddenly. If a Sudden Angel Fish death occurs in your tank, you should do your best to prevent the same for others. Some common causes of angelfish death are included in this article, so identify the ones that mirror the situation in your tank.

Typical Angelfish Behavior Before Death

Angelfish behavior before death
Look for these signs and symptoms and learn the proper treatment to avoid the untimely death of your discus fish.

1. Constantly Hiding

Angelfish constantly hiding
Bacterial infection, filthy tank, or stress are the common reasons why your angelfish is hiding away. Observing them for quite some time will help you determine the leading cause.

Sometimes, angelfish can display signs of stress before death, especially when they begin to hide excessively. It is pretty normal for an angelfish to act this way when it is new in the tank, but it gets more concerning if it is constantly hiding, failing even to show its face for multiple days. When your angelfish displays this sign, there is a possibility it could be sick or injured and needing immediate treatment.

2. Lack Of Appetite

Lack of appetite in angel fish
Refusal to eat is an indicator that your angelfish is sick. A filthy tank or stress might be the reason.

Angelfish are aquarium pets with large appetites. They tend to be ready for a meal, even when they’ve received a fair share of food for the day. So if an angelfish is absolutely refusing to eat any food, you should be concerned. However, your fish not eating one meal shouldn’t be too much of an issue. But if there is a total loss of appetite, this is an indication of a more significant issue. This could imply problems with the environmental conditions of a tank, bullying, or illness.

3. Glass Surfing

Glass surfing in angel fish
Glass surfing is an alarming Angelfish behavior. This might be due to overcrowding or uncomfortable tank temperatures.

Glass surfing is when your aquatic friend swims up and down along the tank walls frequently. If your fish is displaying this behavior, it could be struggling with being overcrowded or reacting to uncomfortable tank temperatures. Glass surfing is one of the more apparent angelfish behavior before death and should not be taken lightly.

4. Change In Appearance

Change in appearance in angel fish
Poor diet and water conditions, injury, stress from new goldfish, or infections are some reasons why your angelfish color is fading.

When angelfish are stressed, it may not be a pretty sight. Stress can manifest into physical signs such as losing color, bruises, open wounds, ashy fins, and flakiness in its scales. These are all pointers that your angelfish could be facing a threat to its well-being. In addition, such symptoms can be linked to poor diet, illness, poor water conditions, and other injuries.

Angelfish dealing with bullying from other fish can also display these symptoms. If this is the case, you will likely see missing scales, bitten fins, and wounds on their bodies. Try to address this immediately, as this could be one of the causes of angelfish death.

5.Fin Rot

Fin rot in angel fish
Bacterial infections like fin rot are due to poor living conditions of your angelfish, but can be easily treated at home.

Fin rot is a bacterial infection in your fish that causes the fins the decay. This condition is alarming if untreated and could lead to your pet’s death. When fin rot is present, you will notice raw patches on the fin, which can look frayed. This condition is usually linked to poor water conditions in the tank, leading to sudden angelfish death.

Causes Of Angelfish Death

Causes of angelfish death
Learn the major causes of angelfish and how to prevent it.

Most aquarium enthusiasts can attest to the unfortunate nature of the hobby. Sometimes, fish die. But if something can be done to prevent its frequency, you should do what you can. More so when angelfish keep dying within a short period. Below we’ve focused on a few factors that could be impacting your aquatic friend’s survival.

1. Your Angelfish Is Sick

Angelfish is sick
Observing the overall health and condition of the fish before buying it will keep you from infiltrating your tank which might cause sickness to other fish.

Sometimes, you can have a dying angelfish on your hands without realizing it. This usually happens when you buy an angelfish without closely inspecting its health and condition. If you’re ever buying one, you should look for signs of sickness. Angel Fish Behavior Before Death is usually quite obvious when your pet is sick. Therefore, keep these symptoms in mind.

Physical signs include fraying fins with tears and holes, rotten body patches, missing patches of skin, bloating, white specks appearing around its body, sores, and fading colors. With enough attention, you should be able to resolve these problems before they become irreversibly damaging.

When buying an angelfish at a store, you notice that the water inside is quite dirty, don’t overlook it. A poorly kept store tank is a sure sign that the fish inside is unhealthy or exposed to harmful bacteria.

At a fish store, watch out for signs of lethargy in these aquatic pets. With sluggishness being a pre-emptive sign of sudden angelfish death, you should be careful with your selection.

A sick fish introduced to your home tank can expose other fish to its disease. Even the “safe” plants and other tank embellishments can contribute to the problem without regular cleaning and decontamination.

2. Poorly Maintained Tank

Poorly maintained tank
Regular maintenance of your fish tank will ensure the overall good health of your fish. Image from Flickr.

Keeping fish comes with its own fair share of responsibilities. As a pet owner, you must consistently clean your tank, ensuring your angelfish are kept healthy. Still, excessive cleaning can introduce its own problems for the ecosystem. Commonly, Causes of Angel Fish death are down to tnk conditions. If you want to clean your tank correctly, you have to understand the needs of your fish.

Unfortunately, angelfish behavior before death caused by poorly maintained tanks can sometimes be more subtle than you can imagine. However, if you want to avoid a sudden shock, you have to be cautious of drastic changes to your tank. Often you will find the sudden stress can be felt by your entire angelfish population. In such situations, you should try to change the conditions and prevent sudden angelfish death in your tank.

Excessive and thorough cleaning can lead to the loss of good bacteria within a tank, especially when you’ve removed biological filters like tank plants. A well filtered tank is able to reduce the levels of ammonia by turning it into nitrites. Ensure that you have just the right balance of cleaning frequency and that it does not disrupt the pH levels of your water.

3. Overfeeding

Overfeeding angel fish
Giving a proper diet in small portions but regularly will ensure that your fish will not overeat. Overfeeding causes bloating and indigestion in the fish.

Even if you’re overfeeding a fish, you will find that it will keep eating. Unfortunately, angelfish lack control and will eat even when they don’t need it. That’s why it’s vital for you to stick to the recommended limit to avoid them overindulging. Overfeeding is among the top causes of angelfish death, inducing problems like swim bladder disease, bloating, and constipation.

4. Overstocking

Overstocking angel fish
Keeping the tank from overstocking or overcrowding will give a stress-free environment for your fish.

Another problem that can affect the behavior of your fish is overstocking. The optimum number of angel fish per tank depends on the tank size. However, across all sizes, a tank that is too full can make your fish can become ill.

When you have a number of fish in a small space, your tank will likely accumulate toxins faster, which can lead to stressed-out fish. Stressed fish become lethargic, leading to other angelfish behavior before death.

5. Poor Water Parameters

Poor water parameters in angel fish tank
Improper water parameter is a major cause of sickness in fish. Make sure to regularly clean your fish tank.

An angelfish can only do so much to help itself when placed in a bad environment. Even if the water is clear and there are no apparent dangers, other aspects, such as the pH levels, could be off balance. Therefore, you should stick to the proper water parameters and ensure that your fish can thrive.

If your angelfish is kept in a tank with the wrong temperatures and pH level, you could be contributing to one of the causes of angelfish death. Your angelfish behavior before death might not appear abnormal right away, but if your fish remains in these conditions, it can result in its demise.

6. Malfunctioning Tank

Malfunctioning angel fish tank
A malfunctioning tank causes an easy build-up of toxins that will affect your fish’s health.

Sometimes the tools you use to sustain your tank can be problematic. For example, a tank heater might suddenly begin to misbehave, failing to maintain warm temps and causing your fish to get excessively hot or too cold. Another example is when your tank’s filter stops working. As a result, your water can be quickly affected by pollutants. When the hardware of your aquarium malfunctions, your fish’s environment is compromised, and you put your fish in danger, possibly leading to death. Be sure to keep an eye out for something like this.

7. Poor Acclimation

Poor acclimation in angel fish tank
Applying enough caution before adding your angelfish to the tank is crucial to avoid them from getting stressed which will cause them to be sick or die.

Fortunately, Sudden Angel Fish death is easily preventable. Fish require some time to adapt to a new environment, especially angelfish. If you haven’t applied enough caution before adding them to your tank, the new angelfish might be in for some discomfort. Acclimation begins with proper water parameters and ensuring that the aquarium has friendly tank mates. Your angelfish can become stressed if the environment is hostile, which can lead to illness.

How To Prevent Your Angelfish From Suddenly Dying

Angelfish suddenly death
Consider these ways methods to prevent the untimely death of your angelfish.

If your angelfish keep dying, you need to reconsider the care and methods you use. These are two simple ways to reduce the chances of your angelfish suddenly dying.

1. Adapt Your Angelfish In The Right Way

Adapt your angelfish in the right way
Proper acclimation of your angelfish is an effective way to introduce your angelfish to its new environment.

Angelfish are easy to care for. However, they do have specific needs. Before adding them to your main tank, you should acclimate your angelfish the right way.

First, float the fish in the water while still in the pet store bag. Doing this will give the fish a chance to adjust to the temperature. Next, you can slowly add small amounts of tank water to the bag, familiarizing it with the pH levels and other parameters. This is an effective way to introduce your angelfish to a new environment.

2. Quarantine Sick Angelfish

Quarantine sick angelfish
Keeping your sick angelfish in quarantine will help to stop the infection from spreading to other fish.

When your angelfish is sick, it is best to quarantine it. This is the best way to keep the infection from spreading to other fish. A lot of fish ailments are subtle and quick to spread. If detected early, you can act swiftly to prevent anything serious from happening. Some aspects of angelfish behavior before death can be subtle, so you may not see the behavior change immediately.

While your fish is in quarantine, be sure to pay attention to it and continue adding treatments regularly. In addition, check its behavior and appearance for signs of worsening conditions. Look out for signs of sluggish behavior, color fading, hiding, or refusing to eat. If your fish still displays these behaviors, they should be kept in quarantine until they recover.

It’s always essential to do regular water changes while your fish is in quarantine. Dirty water won’t help your fish one bit. Raise or drop water temperatures based on suggestions for the disease it may be fighting. Remember to consult with an experienced veterinarian before any treatment. With their help, you can ensure that your fish receives the proper medication it requires for survival.

Creating The Right Environment For Angelfish

Right environment for angelfish
Creating a clean and stress-free environment is crucial for angelfish to live a long and healthy life.

If you want to avoid seeing angelfish behavior before death, then it’s time to change your tank’s conditions.

1. Adjust Parameters

Adjust parameters for angelfish
Inconsistent water temperatures and pH levels will lead to angelfish death.

First, you will need to pay attention to tank parameters. This means that you should maintain temperatures between 78 to 84 degrees Fahrenheit. In addition, you should try and maintain a pH balance that sits between 6.8 and 7.8. Do your best to avoid constantly changing pH levels, mainly because the constant changes can be one the causes of angelfish death.

2. Use The Correct Equipment

Correct equipment for angelfish
The ideal tank should have a working heater, a stress-free environment, and the right water temperature to avoid toxin build-up

To keep your tank ideal, you will need a few pieces of equipment to assist you. Firstly, ensure you have a working heater to keep the water at the required temperature. Temperature fluctuation can cause shock in your fish which increases its stress levels. Secondly, a thermometer is needed to identify when the water is not at the correct temperature. And lastly, a good water filter to remove toxins in the water and improve oxygen levels.


Happy Angelfish
Overall, regularly checking the water temperature and pH levels and avoiding stress to your angelfish will keep them to stay healthy and live longer.

If your angelfish is suffering and showing signs of struggle, there are some things you can do to help it out. The guides provided in this article should be helpful in getting your angelfish to the perfect health it deserves.

Frequently Asked Questions

Is it normal for angelfish to float to the top of a tank?
If your angelfish is floating to the top of your tank, it might be suffering from swim bladder disease or dealing with a lack of oxygen. With swim bladder disease, the buoyancy of your fish is completely ruined. The problem is usually caused by a bacterial infection or overfeeding.
Why has my angelfish stopped eating?
If your angelfish refuses to eat, you should take this as a sign that your pet is not ok. One of the most common causes of angelfish death is starvation. You should visit your veterinarian for a quick examination if the condition persists and you are unable to identify the cause. Ensure your tank isn't overcrowded, as your fish could also be stressed.
Why is my angelfish still sick after medication?
If your fish is still sick after administering treatment for a few days, you should consult a vet. Prolonged illness can be damaging to your pet's long-term health. Again, an expert's advice is your best bet in this situation.
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Tal Halperin

Tal is an avid fish keeper and has been raising ornamental fish for decades. As a little boy, he drove his father crazy to buy him an aquarium with all the necessary equipment. Now, after a career in the field, he has set up Your Aquarium Place to offer the most comprehensive guide to ornamental fish keeping available and share his passion for the different species he has looked after.