Red Colored Tropical Fish

Aquarium and Pond Care with EcoBio-Block

One of the greatest satisfactions involved in cultivating an aquarium is being able to enjoy the beauty of your fish. Tropical aquarium fish come in a rainbow of colors and patterns – some have colorful spots or stripes while others have long, flowing fins and bright scales. Unfortunately, there may come a time when your fish simply don’t look their best. There are many things that may lead to a loss of coloration in your fish but, in order to fix the problem, you first need to discover its cause. Once you know what is wrong with your fish, you can take the necessary steps to help them recover.

Aquarium Fish Diseases

Throughout their lives, most aquarium fish are exposed to disease in some form or another. Different aquarium fish diseases manifest in different ways, but loss of coloration is a symptom common to many different diseases. When fish become ill, they are likely to also lose their appetite which can lead to a general dulling of color. Certain diseases, particularly fungal and parasite infections, can also lead to discoloration in fish. Some diseases cause fish to develop bloody red streaks on their fins and body and may also result in discolored patches on the skin. In order to deal with problems with loss of coloration due to disease, you first need to identify the disease from which your fish are suffering. Take the time to observe your fish for additional symptoms then perform a little basic research in order to make a diagnosis. The treatment regimen will vary according to the specific disease, but many fungal and parasite infections can be treated with a salt bath or with medication.

Nutritional Deficiency

If you do not feed your fish a healthy, balanced diet not only will they fail to thrive but they may also fail to look their best. This problem is especially common in juvenile fish – when they are not given enough food or the right kind of food, they may grow very slowly and might not develop their full coloration. The key to treating and preventing this problem is to offer your fish a balanced diet composed of a variety of different foods. Offer your fish a staple diet of commercial flake or pellet food formulated to meet their basic nutritional needs. To fill in the gaps and to provide your fish with extra nutrition, offer a supplemental diet of various live, frozen and freeze-dried foods. Try to vary the type of food you offer your fish and only offer small amounts of live and frozen foods at a time because they can be very rich and may cause digestive issues.

Tips and Tricks

discus fish

I feed a variaty of food

by LadyGamer

When I go on vacation I toss a fun mix of all sorts of foods. Bloodworms I hear are great for color. There's another type of small worm they dry in a cube my fish always love (don't remember the name off hand lol) You can get them dried or frozen. There is also a lot of good mixed flake foods out there. Tropical is the one you're looking for.
I also occasionally feed frozen food. I got a "Lunch Box" of all sorts of stuff to feed. I'll take a glass of tank water, dump some frozen stuff in to thaw, then toss it all in the tank. Fish go NUTZ over the stuff.
The brand of flake that I feed has a yellow bottle with a red top and a picture of colored flakes on the front in a circle

Sick betta

by Skivvy

You're right, loss of color and lethargy are signs of illness. However, they can mean a lot of things.
First, I would take the advice of previous posters and buy some water conditioner that neutralizes chlorine and chloramines. Personally, I'm a fan of Prime (a small bottle will last you forever, since it's highly concentrated), but any conditioner should do.
Have you ever had your water tested? Most fish/pet stores will do this for free. You can also buy testing strips/kits so you can do it at home as often as you like. Testing your water will tell you levels of ammonia, nitrate, nitrite, pH, hardness, and alkalinity

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