What Are The Black Dots On My Fish?

The black dots on fish are called melanophores, and they are cells that contain pigment. Melanophores are found in a variety of animals, including fish, amphibians, reptiles, and mammals.

In fish, melanophores are responsible for the black, brown, or gray coloration of the skin. These cells are also found in the eyes, where they help to absorb light.

What causes black spot disease in fish?

Black spot disease is a common problem in fish populations, particularly in tropical and subtropical waters. The cause is not fully understood, but is likely due to a combination of environmental and genetic factors.

Black spot disease is caused by a number of different bacteria, and can affect both fish and invertebrates. It is most often a problem in large, aggressive fish, but can also affect smaller, slower fish.

The disease is usually fatal, and can rapidly spread through a population.

How can I tell if my fish have parasites?

There are a few ways to tell if your fish have parasites. One way is to look at their scales and see if they are covered in parasites.

Another way is to take a sample of water and check for parasites. Parasites can be seen with a microscope, so a fish doctor or veterinarian can also look for parasites.

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Does black spot disease kill fish?

The short answer to this question is that black spot disease does not kill fish outright- it is a symptom of another underlying problem. However, black spot disease can significantly reduce the lifespan and reproductive potential of fish, and can even lead to their death.

How do you get rid of fish spots?

There are a few ways to get rid of fish spots. One is to use a bleach solution to clean the area.

Make a solution of 1 cup of bleach to 1 gallon of water and use it to clean the area. Be sure to use a cloth to absorb the bleach solution and then rinse the area with clean water.

Another way to get rid of fish spots is to use a cream that is specifically designed to get rid of fish spots. Apply the cream to the area and then rinse it off.

Why does my fish have spots on it?

Fish have spots on their bodies because they are filled with pigment. This pigment is what gives fish their characteristic color.

The pigment is made up of small molecules called melanin. Melanin is found in all vertebrates, including humans.

The production of melanin varies depending on the location on the body. Melanin is mainly produced in the skin, eyes, and scales of fish.

The production of melanin in the skin is important because it helps to protect the fish from the sun. The production of melanin in the eyes is important because it helps to protect the fish from predators.

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The production of melanin in the scales is important because it helps to protect the fish from parasites.

The spots on a fish’s body are a result of the distribution of melanin. Some spots are darker than others.

This is because the melanin in these spots is more concentrated than in other areas of the fish’s body.

How do you treat black spot on fish?

There are a few different ways to treat black spot on fish. One option is to use a medication that kills the bacteria that is causing the black spot.

Another option is to use a treatment that eliminates the black spot, but also kills any other bacteria that may be present.


The black dots on your fish are most likely melanomas. Melanomas are black or brown growths that can appear on the skin of fish, and they are usually benign.

However, in some cases, they can be cancerous. If you notice any changes in your fish’s behavior or appearance, please contact your veterinarian.