June 6

Sarah Robertson

White Oscar Fish: The Stunning Addition to Your Aquarium

The Amazon basin of South America is home to the popular Oscar Fish, which is a beautiful freshwater fish with an amazing color palette. They are excellent pets because of their exceptional intellect, playful demeanor, and gorgeous hues.

One of the popular types of Oscar Fish is the white Oscar Fish. As their name suggests, white Oscars are distinguished by their beautiful, vibrant white colorings. While they may not be as eye-catching as some of the other color morphs, white Oscars are still stunning fish that make for a great addition to any aquarium.

Because Oscar Fish is not particularly easy to look after, we only suggest them to experienced aquarists. Knowing how to care for an Oscar Fish properly will open up a whole new realm of possibilities for you to keep other Cichlids in the future. They are one of the most stunning freshwater fish if you know how to care for them.

Quick Facts About Oscar Fish:

  • Scientific name : Astronotus ocellatus
  • Origin : South America
  • Common names : Oscar fish, oscar cichlid, tiger oscar, velvet cichlid, marble cichlid
  • Size : 10–14 inches
  • Life expectancy : 10–20 years
  • Diet : Omnivore
  • Color : Orange and black/brown marbled colors, White
  • Minimum Tank Size : 55 gallons
  • Temperament : Aggressive
  • Temperature : 74–85°F
  • Optimum pH : 6 to 8
  • Breeding : Breeding pair spawn eggs
  • Disease : May be susceptible to Hole in the Head disease.
  • Tank Mates : Potential tankmates include Firemouth, Jack Dempsey, Common Pleco, and Clown Loaches.


The oscar fish is known to live in Argentina, Brazil, Colombia, Paraguay, Peru, Uruguay, Venezuela, and other parts of South America. The freshwater Amazon and Orinoco Rivers and tributaries are home to a variety of fish, which enjoy the mild water temperatures and moderate-to-fast currents.

Oscar fish have been developed and introduced to several places throughout the world, including Africa, Southern Asia, and North America. The Oscar fish is also found in French Guiana and Suriname. Oscar fish are very widespread in their natural habitats, and they are not considered extinct.

White Oscar Fish Size 

The full-grown length of an oscar fish is approximately 12 inches. Oscar fish get even larger in the wild, surpassing 14 inches in length.

The Oscar fish is monomorphic, which implies that there are no significant variations in size or physical appearance between males and females.

White Oscar Fish Lifespan

If you keep good water quality in your aquarium, an Oscar fish is a hardy creature that can live for a long time. An Oscar fish can live up to 20 years in ideal circumstances. On average, Oscars will survive approximately 10 and 20 years.

White Oscar Fish Appearance

White Oscar Fish Appearance 

Because of their black/brown and orange markings, Oscar fish are known as "tiger Oscars" and "marble cichlids". The bodies of Oscars are brown/black, with red or orange marbling. Some oscar fish species are green or olive in color.

There are oscar fish that have white bodies with red markings, known as albino variants. oscar fish is a robust aquarium species with broad, oval-shaped bodies. The fish's heads are large, their mouths are big, and their eyes are big. They have fan-shaped fins that extend all the way down the length of the fish's body.

The physical appearance of male and female Oscars is identical. The fish's colors are dull and the dark markings are deep black when oscar fish are born. The fish's colors become brighter as they mature, and the black markings on their bodies turn gray. A stressed or ill oscar fish will appear duller than usual.

The most typical oscar fish is the tiger oscar fish, but other subspecies of oscar fish have their own unique appearances.

Crossbred versions of the oscar fish include:

  • Blue Oscars: These are typical oscar fish but with blue patterning
  • Black Oscars: These are Blackfish with white lines running around their bodies.
  • White Oscars: These are usually white or pale pink in hue.
  • Green Oscars: These are typical Oscars with green and yellow colors.

White Oscar Fish Behavior

The Oscar fish are intelligent inhabitants of the aquarium that swim with purpose around the tank. The fish are hand-fed because they recognize their owners, earning them the name "river dogs."

The oscar fish's mental sharpness is an appealing feature for aquarists. Oscar fish, on the other hand, are aggressive and territorial. To avoid conflict and stress among the fish, you should carefully pick which oscar fish to put in a community aquarium.

They will attack their tank mates, push other fish around, and chase the others if they believe their territory is being invaded. During the breeding season, Oscar fish battle with members of their own kind, particularly those of the same species.

Oscar fish are fast swimmers who prefer the center region of the tank. They require a large amount of open area. To seek food in the substrate, Oscars will occasionally swim to the bottom of the tank. However, the oscar fish is a sociable species that prefers to hide in caves and plants. Oscar fish are active during the day and rest at night in an aquarium setting. The fish like to eat several small meals throughout the day.

White Oscar Fish Tank Requirements

Due to their enormous size, it's critical that you have a huge tank with enough space for the Oscar fish to develop and survive in. To avoid any undue stress on the fish, a tank for an Oscar should not be smaller than 55 gallons per fish.

Oscars are difficult to keep and require a great deal of upkeep in comparison to other species. Oscars generate a significant amount of waste, therefore regular water changes are unavoidable, but the smaller the tank in which they live, the more frequently you must clean it and maintain the water quality.

Oscar fish prefer to live in small groups or pairs. We would recommend maintaining at least 2, if not 5, if you have the room. Keeping three fish at a time isn't always a good idea since the two might form an attachment and ignore the other one.

The Oscars are susceptible to changes in water quality, and common tropical fish illnesses such as Ich, Dropsy, Fin Rot, and Tail Rot are also prevalent. So, clean water is a must-have for the health of your Oscars.

White Oscar Fish Water Parameters

White Oscar Fish Water Parameters 

White Oscar Fish prefer a temperature of between 75 and 80 degrees Fahrenheit (23 to 27 Celsius), with a pH level of between 6 and 8. They can live in a variety of water hardness levels, but we propose keeping it at a level of 12dH - 15dH.

The Oscars are also delicate to changes in water temperature, as well as increases in ammonia levels. We urge a high-quality water filter and an aquarium heater with a built-in thermometer for this reason.

When you don't know the precise temperature, allowing ammonia levels to spike is a surefire way to cause stress in the fish, which will result in decreased color, appetite loss, and general discomfort, and poor quality of life. To be on the safe side, keep a high-quality water test kit on hand to check the water conditions on a regular basis.

White Oscar Fish Diseases

Although Oscars that are healthy are less likely to get sick, if you don't look after them properly, they may contract a variety of illnesses.

The most frequent illness that Oscars succumb to is a condition known as "hole in the head" disease. It gets its name from the fact that the heads and bodies of many fish become riddled with cavities and holes. It is not difficult to cure Hole in the Head disease, but early detection is more likely to succeed.

Hole in the head, Ich, and fin rot are examples of common oscar fish illnesses.

Hole in the Head

A parasite called Hexamita causes a hole in the head disease in freshwater fish. The term derives from the fact that it results in head anomalies. It may also cause ulcers on the fish's torso, loss of appetite, and color fading.

You should maintain constant water conditions to prevent holes in the head disease. Reverse the illness by cutting back on pollutants, improving water quality, and giving the fish adequate vitamin and mineral supplementation.


Ich is caused by a microscopic parasitic organism called Ichthyophthirius multifiliis. When new plants, live foods, or new fish are introduced to an aquarium, this illness is frequently transferred. Symptoms of Ich include the fins turning red, white spots on the gills and fins, and flashing (when fish rub their bodies against rough surfaces).

Add one tablespoon of salt for every two gallons of water and raise the tank temperature by a few degrees to accelerate the lifecycle of the parasite. This is the best way to effectively rid of Ich.

Fin Rot

Fin rot is caused by a bacterial infection that strikes oscar fish when they are frightened by poor water quality, overcrowding, or low oxygen levels. Fin rot is a condition in which fins become tattered or blackened, have a milky sheen to them, and cause lethargy and anorexia.

You should reduce environmental stressors to prevent fin rot. If your oscar fish has fin rot, give them antibiotics from your veterinarian.

White Oscar Fish Tank Mates

White Oscar Fish Tank Mates

Oscar fish are not recommended for housing with other fish because of their aggressive and territorial personalities.

Tensions can arise in a tank with restricted space, resulting in fights, bullying, and fin-nipping, even though oscar fish are accustomed to being surrounded by various species in the wild. So housing these fish alone is ideal.

However, if you want to start a community tank, go with big, passive fish that won't cause oscar fish problems.

Here are a few great tank mates for oscar fish:

  • Arowanas
  • Bichirs
  • Firemouth cichlids
  • Jaguar cichlids
  • Severum cichlids
  • Convict cichlids
  • Green terrors
  • Silver dollars
  • Sailfin plecos

If you want to keep oscar fish together, be sure there is enough space in the tank. A 55-gallon tank is sufficient for one oscar fish, but add an extra 30 gallons for each additional fish.

Don't add tiny fish or invertebrates like shrimp and crabs to the tank, since Oscars will consume anything smaller than themselves.

White Oscar Fish Breeding

Breeding Oscar fish is not for the faint of heart. This is because it can be difficult to find a pair that will successfully mate, and even when you do, the fry is extremely delicate and require a lot of care.

That said, if you're up for the challenge, breeding oscar fish can be an incredibly rewarding experience.

To breed oscar fish, start by setting up a breeding tank that is at least 50 gallons in size. The water should be soft and slightly acidic with a temperature between 75 and 82 degrees Fahrenheit.

Next, add some plants and hiding places to the tank for the fry to take refuge in once they are born. driftwood, rocks, and caves work well for this purpose. Once the tank is set up, it's time to choose your breeding pair.

Sexing Oscar Fish

Once you've decided to give breeding a shot, you'll need to determine which of your fish are males and which are females. Identifying the gender of an Oscar fish is fairly difficult unless you're familiar with what to look for.

The term "monomorphic" is used to describe Oscars, which are defined as fish that are identical in appearance regardless of their gender. Keeping your White Oscars in good condition is simple, provided you know how to care for Oscar fish.

Take a closer look at an Oscar fish's genitals to determine its gender.

Initiating The Breeding Session

When the rainy season approaches, the Oscars will enter a breeding season. In aquariums at home, the water conditions are generally constant all year, making it difficult for the fish to know when it's time to breed. To minimize this, you must start the breeding season by creating your own "rainy season" when you want the fish to begin reproducing.

The first stage is to perform a large water change. Every couple of days, 20–30% will be enough.

A significant drop in temperature is one of the most telling indicators of the rainy season. If you can reduce the temperature of your aquarium by a few degrees, fish will detect that the rainy season is beginning and begin seeking for a mate. Simulate rainfall by sprinkling water on the top of the aquarium for 5-10 minutes several times a day with a watering can.

Alternatively, a spray bar can be placed just above the water. Spraying water will make it look like it's raining, even if you don't have to do anything manually. The majority of Canister Filters include a built-in spray bar.

It is difficult to rear oscar fish in captivity and often necessitates the housing of a large number of fish. Oscars are picky about their partners, and putting a male and female in the right conditions in the same tank doesn't guarantee reproduction.

However, if you want to breed oscar fish, there are a few things you should know:

  1. Select a mature male and female oscar fish (the fish usually reach maturity after one or two years old).
  2. Place the male and female in a separate breeding tank that is identical to the home tank. To encourage breeding in the wild, lower the temperature of the water by a few degrees, mimicking their natural habitat's rainy season. This should prompt the female to release eggs, which the male will then fertilize.
  3. Every two or three days, switch the water and sprinkle it on the surface to aerate the tank. Feed your fish a varied diet that includes both live and frozen options.
  4. Both fish will flare their gills and waggle or vibrate their tails if they are interested in one another. If they ignore one another or begin to fight, remove them and try with another pair, or try a new female with the same male.
  5. On a clean rock surface, the female will deposit up to 3,000 eggs at one time after successful breeding.
  6. To prevent the parents from eating the offspring, remove the male and female after the eggs have hatched.
  7. To prevent the parents from eating the offspring, remove the male and female after the eggs have hatched.

  8. Raise the fry in an aquarium with a sponge filter and four times per day feed them specialized food for young fish.

White Oscar Fish Fry

It takes about 72 hours for the eggs to hatch. The fry can be visibly seen moving within their shells as closer to hatching. The egg sack is eaten by the Oscar fry for the first four days, and they don't need to be fed.

They will require additional feeding after the fourth day. In a week, start with insofuria and move to baby brine shrimp. Ensure that your Oscar fish are fed three times per day, removing any extra food and waste from the aquarium.

Oscar fry will generally remain by their parents' side until they reach the size of 1" in the wild. Around the age of 5 weeks, young Oscars should be removed from their parents in the aquarium since the parent Oscars may become territorial and aggressive. They may be sold or given to pet shops and friends at the size of 2" in diameter.

How Big Do White Oscars Get


How Big Do White Oscars Get?

White Oscars develop at an astounding rate, so it's crucial to know what you're getting yourself into when you buy them from a pet store or a Cichlid breeder. It's been suggested that Oscars can grow at a rate of 1 inch each month until they become adults. If you don't have the space for an ideal Oscar fish tank (more than 55 gallons), your fish's health will be jeopardized and they will be more susceptible to disease and early death.

It's not uncommon for them to reach a length of 14 inches. On average, they will be about 10 - 12 inches long.

When it comes to White oscar fish babies, they are tiny in size (typically 1 to 2 inches long when young) and can grow at a rate of 1 inch each month under ideal circumstances.

What’s the Best Aquarium Size for White Oscars?

Because Oscars may grow up to 45 cm in length, it's critical that your aquarium is big enough to hold your pet. The ideal size for an aquarium is 75 gallons or more for Oscar fish.

A 55-gallon tank may suffice for a single fish, but you won't have any extra space to add more fish. And, as with hobbyists and myself, one fish is never enough. If your aquarium isn't large enough to hold your fish (or is overly crowded), it will become unhappy and unhealthy.

Why Is My Oscar Fish White?

Oscar fish can come in a variety of colors, but white is not a color that is typically seen in the wild. In the aquarium trade, white Oscars are achieved by breeding two albino Oscars together. If your Oscar is not white but turning white suddenly, it could be a sign of stress or illness and you should seek the advice of a veterinarian.

What Is the White Oscar Fish Called?

The term albino refers to white Oscars, which are essentially totally white with the exception of their design. They have a closely entwined orange/red lattice that is generally located near the end of the body.

How Much and What Kind of Lighting Should I Provide?

The lighting requirements for oscar fish are very modest. They do not require any specialist illumination. Simply maintaining them in a normal room illuminated by natural light will suffice.

However, if you want to add some lights to your tank, it will not harm your fish. Oscars enjoy moderate-low illumination, so you should keep your bulb on for no longer than 12 hours (if you leave it on too long, your fish may become agitated and distressed).

If you have an oscar that flees when your bulb is turned on, you may want to consider lowering or turning off your bulb (or removing it completely).

How Much Water Flow Do They Need?

The Oscars prefer moderate-high flow water, similar to that found in their natural environment. You should strive for a water turnover of 4 times per hour.

Oscar fish can survive in extremely high water flow situations. Even if you surpass the stated levels of flow, your pet will most likely be happy and healthy.

High-flow conditions are completely acceptable as long as your fish is able to swim freely and comfortably in the current.

What Kind of Filtration Do White Oscars Need?

Water changes and ammonia levels can be dangerous for Oscar fish. Because of this, if you want to keep your fish healthy, you'll need a high-quality filtration system.

Oscars are extremely sensitive and require a lot of maintenance. They are also messy fish, with a high biovolume/waste output. Because of this, Oscars require a significant amount of water filtration, which is especially important for biofiltration.

Should You Get an Oscar Fish for Your Aquarium?

If you're building a new tank for a single species of fish, oscar fish is an excellent choice to think about.

However, oscar fish is not a good choice for beginners or those who already have other species of fish that oscar fish may bully or eat. The Oscar fish are low-maintenance, but they may fight and display signs of aggressiveness.

Oscars are a good choice for those who have the time, patience, and resources to provide them with everything they need to thrive.

When housing more than one Oscar fish together, it's important to have a large tank so that each fish has enough space. It's also important to consider the temperaments of each fish when choosing tank mates.

Do Oscar Fish Need Plants?

They enjoy rearranging their surroundings, so give them a few plants, boulders, and ornaments to play with and let them get to work organizing the space.

Oscars are a moody fish, to say the least. They're fickle. They might adore the plants in their tank one minute and pull them out and throw them around the aquarium in a tantrum the next. For this reason, it's critical to pick plants that are hardy and won't die after being stroked. Floating plants are also a wonderful method to maintain the aquarium looking healthy without creating too many issues for your Oscars.

Some of Oscar Fish's favorite plants include the following:

  • Java Moss
  • Java Fern
  • Salvinia Natans

Make sure you get Oscar fish plants that have comparable water requirements. It's pointless to have a plant that requires higher temperatures or harder water. There are hundreds of species of plants that can be grown in an Oscar tank, so there's no shortage of options.

What Do Oscar Fish Eat?

Now that you've discovered what the ideal tank for your Oscar Fish should look like, it's time to look at what you should be feeding them.

The Oscars are very liberal when it comes to their food. They'll consume nearly anything you put in their aquarium.

Because of their size and because of nutrient demands, it's critical that you fully understand their nutritional needs, and it's up to you to ensure they are met. A healthy diet should always be followed.

Since Oscars are omnivores, they need both meat and vegetables to survive. The finest food for your Oscar is high-quality cichlid flakes and pellets.

In their natural environment, Oscars consume a variety of tiny invertebrates and crustaceans. Occasionally, you may offer your Oscars live foods and feeder fish like Goldfish or Rosy Red Minnows. However, feeder fish are not nutritionally sufficient and, in most cases, contain too much fat when fed in large amounts.

We recommend feeding an equal amount of processed flake or pellet foods and live foods like insects, shrimps, and earthworms to be on the safe side and ensure that your Oscars are getting everything they need.

The Oscars also need a greater amount of Vitamin C and plant matter. They will find this offhand from the prey they would consume in the wild. Algae supplements are an excellent method to incorporate this fibrous plant matter into their diet without causing any bloating or discomfort.

Here are some food suggestions for the Oscars:

  • Bloodworm
  • Brine Shrimp
  • Krill
  • Frozen Peas
  • Cichlid Pellets/Flakes/Wafers
  • Algae Wafers
How Often Should I Feed My White Oscar

How Often Should I Feed My White Oscar?

Baby Oscars are voracious eaters, and - like all newborns - they may seem to be hungry all of the time. However, you should restrict the quantity of food you offer them since overfeeding can make them ill.

Here’s how you should feed them:

  • Start with feeding Oscars 3-4 pellets at first. Drop them in, wait for the oscar to consume them, and then add more.

  • Repeat this procedure for around three minutes and then cease giving your oscar when it has eaten all of the pellets in its surrounding area.
  • Repeat this 2-3 times each day, removing any uneaten food from the tank within 2-3 minutes to keep water quality stable.

Your baby oscar may appear to be full after a feeding, or it could ask for more. Don't give your oscar more food than you are supposed to.

When your oscar reaches 5 inches in length, you should modify its feeding habits. It's now time to start feeding them twice a day. During feeding times, you may supplement larger, living animals like mealworms and grasshoppers with extra food. You may continue to offer your oscar fish in this manner throughout their life.

What Do Oscar Fish Eggs Look Like?

Oscar eggs that have been fertilized appear tan or brown, but unfertilized eggs are white. After approximately three days, the fry will hatch from their eggs.

Which Oscar Fish Types Can I Successfully Breed?

There is a wide range of Oscar fish in aquariums all around the world, some natural and others not so.

It is conceivable to breed any mix of Oscar fish successfully as long as they "connect" and develop mutual respect for one another. The Tiger Oscar, Red Oscar, Yellow Oscar, and White Oscar are just a few of the many species of Oscars that you might wish to breed. If you ever have the opportunity to pick a rare variety, like Pink or Purple, we recommend avoiding it. They aren't native in the wild and therefore shouldn't be picked.

The process of breeding two distinct hues does not need any additional information or procedures to work. You're good to go as long as the fish are in contact with one another.

Why Do Oscar Fish Jump Out of the Tank?

Occasionally, oscar fish will leap out of their tanks in order to discover their environment or look for food. They may also attempt to flee from aquariums that are too tiny for them. Keeping a lid on your aquarium will prevent your oscar from escaping and getting hurt.

Are Oscar Fish Intelligent?

Absolutely. If this wasn't the case, they wouldn't have earned the nickname "water dogs". When their owner enters a room, Oscar Fish wag their heads and fins with delight. They can also be trained to do tricks, just like a puppy.

They may even allow you to feed them with your hands, depending on how comfortable your Oscars are with you.

Oscar Fish is a fascinating species that not only have a high intellect and an engaging personality, but they are also stunning to look at.

Can Oscars Eat Guppies?

Yes, Oscars will consume guppies. Oscars are voracious feeders who will eat anything that fits into their mouths, including guppies.

Why Is My Oscar Fish Laying on Its Side?

If Oscar is moved from one tank to another, or if it becomes uncomfortable in its current environment, it might lie on its side. When threatened, the common Oscar fish also lies on its side as a sign of submission. If they've just lost a fight or feel unable to protect their territory against intruders, they do so as well.

How Do I Know if My Oscar Fish Is Dying?

You can look for the following symptoms to know if your oscar fish is dying:

Loss of appetite, lethargy, not eating, rapid breathing, cloudy eyes, Gasping for air, white spots on the body, Frayed or injured fins, Loss of color from the scales, and abnormal swimming patterns. If you notice any of these signs, take your oscar to the vet as soon as possible.

Are Blue Oscars Real?

Yes, blue Oscars do exist. The color of blue Oscars is the result of extensive crossbreeding methods. These gorgeous fish have varying shades of blue on their scales, with the most popular being a regal, dark blue.

What Do Oscar Fish Like in Their Tank?

The Oscars prefer a larger tank. You may also add plants, suitable tankmates, and decorations to imitate their natural habitat if you want to.

Can Angelfish Live With Oscars?

No, angelfish cannot cohabit with Oscars. Both angelfish and oscar fish display competitive and territorial tendencies, so keeping them in the same tank would lead to conflict. Furthermore, Oscars are considerably larger than angelfish, and they're regarded the more aggressive fish of the pair.

Do Oscar Fish Like Mirrors?

Yes, Oscars like to look at themselves in mirrors. Oscar fish are competitive and domineering creatures. They may mistake their image for another fish when confronted with a mirror and attempt to battle it. A little floating mirror can help to keep your oscar fish entertained and active.

How Much Do Oscar Fish Cost?

The average cost of a pet oscar is roughly $10-$20 per fish. With that in mind, some Oscars with distinct colors may demand more money. Oscar fish, such as albino Oscars, can cost anywhere from $30 to several hundreds of dollars. Oscar fish may also be purchased in pairs for breeding purposes.

Final Thoughts

Oscar fish are one of the most fun and rewarding fish to keep as pets. They have distinct personalities, they're intelligent, and they come in a variety of colors. If you're thinking about getting an oscar fish, be sure to do your research first. Oscars require a large tank, quality food, and regular maintenance. But if you're up for the challenge, an oscar fish will make a great addition to your aquarium.

They are easy to feed since they will eat anything that fits in their mouth. However, it is important to give them a varied diet of pellets, flakes, and live and frozen foods.

White Oscar fish care is very easy. They are resilient and can tolerate a wide range of water conditions. However, it is important to do regular water changes and maintain a clean tank. If you're looking for a pet fish that is both beautiful and low maintenance, the white oscar fish is a perfect choice.

Sarah Robertson

I am a passionate blogger who also happens to be a fish keeping enthusiast. Writing about my hobby is something that I absolutely love to do, and it's no secret that my chosen topic is always centered around fish keeping.

Sarah Robertson

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