Oscars are pretty messy, producing a high amount of Nitrates. Hepper.com does not intend to provide veterinary advice. But when they grow up, they might turn aggressive to stray fish and smaller fish in the tank. In terms of diet, they prefer to eat small insects and larvae, but they are not fussy eaters at all. Good cichlid tankmates for oscars: Jack Dempsey Green Terror (may be a bit too aggressive though, especially if you get a male) Firemouth Good non-cichlid tankmates for oscars: Silver dollars Tinfoil barbs Clown loaches Plecos Oscars are not the aggressive fish people make them out to be. Someone that doesn't know better, could see a cute tiny baby fish at their pet store and think it could fit into a 10 or 20-gallon tank. There are a few signs that suggest low oxygen levels like the fish coming on the surface gasping for air, rapid gills, fish moving around less. Or at least it is very difficult to keep tank mates with Oscar Fish. So for further growth, you will need to keep it in a large tank. Or another way is to get at least 6 to 7 juvenile Oscar Fish put them in a tank and grow them together. In the wild, it feeds on crustaceans, insects, invertebrates, and other small fish. A 125 gal (476 liters, 6 feet by 18 inches by 22 inches) or larger tank will greatly increase the odds that your two oscars will get along, and will allow you to possibly have some other fish. The best you can do is shift the Green Terror to a separate55-gallontank. These fish can grow up to 12 inches and require at least 30-gallon tank, but bigger tanks are much better. Usually, other fish that belong to cichlids family are good tank mates for Oscar Fish because they can get pretty large and can hold their own against Oscar Fish. Ideally, your tank should not contain any ammonia. They can jump out of the tank so you should always keep a lid on your aquarium. Silver Arowana is also known as Monkey fish or Dragonfish. Pleco, etc. This is a complete guide to Oscar Fish tank size. These ideal water parameters are quite similar to that of Oscar Fish so you can easily keep them together. They are very attractive fish and they can grow to up to 7 inches in size. Besides, Bichir is not a nocturnal fish which basically means that they stay active during the night and during the day they hide behind any ornament in your tank that could be driftwood, rock, or plants. AquariumFishCity.com is supported by our readers. Your email address will not be published. The red-tailed sharks can grow to up to 6 inches. The common Oscar fish has a dark brown body with yellow, gray, or pale green stripes. And its ideal water parameters range is very similar to that of Oscar Fish so you can easily keep them together in the same tank. This fish can get pretty large up to 6 inches so it will not fit into the mouth of your Oscar Fish. You will need at least a 125 gallon aquarium for more than one Oscar Fish. Then its growth will be stunted and you will need to upgrade the tank. Anything smaller than 55gallon size will be stressful for your Oscar and a burden to its owner. These beneficial bacteria form their colonies in the substrate and in the filter of your aquarium. Plecos are omnivorous but they mostly feed on algae in your tank. And providing a larger tank will help to reduce aggression among Oscar Fish. Oscar Fish can get very big and they can be very messy i.e. Learn more. This tank should be given a powerful filter to keep up with the messy habits of oscar fish. No, keeping Angel fish with Oscars is not a good idea. I have two angels, three EB acaras, one EB jack Dempsey, two German rams, 5 yoyo loaches, and a pleco. Although some Silver Dollars are semi-aggressive, most of them are pretty mellow and do not do well individually. They are not particularly complicated to care for or even fussy eaters, but their aggressiveness can become a problem over time. They tend to spend most of their time near the bottom of the tank. Think the tiger Oscar will get along with these tank mates, or should I not even try it? 9 Ways to Lower Ammonia Level in Aquarium and Get Rid of it. You want to have some passive fish in there that will not get in the way of the Oscar fish. Blue acara is omnivorous and in the wild, they mostly feed on invertebrates and small fish. It also helps to reduce ammonia in your tank. Remember to always ask a veterinarian for help regarding your pets. Oscar fish prefers warmer water. You can also feed them a lot of different kinds of vegetables such as boiled peas, cucumber, carrot, spinach, chickweed, etc. So these are the best tank mates for Oscar fish. You should also follow best practices while cleaning the filters. So you should primarily feed it plant-based food such as vegetables like lettuce, cucumber, spring-greens, etc. Oscar fish are known for their quite aggressive behavior towards other fish. They are larger than the Oscar fish, which means that they will not be threatened by these fish. Im keeping freshwater fish from a few years now. Pros. I've had my 75 gal oscar tank established for a while now. When they are young, they are not aggressive at all. Why Silver Dollars are good tank mates for Oscar Fish? Check out our recommended Thermometer. So ideally, you should keep them in a larger tank. It can get as large as 7 inches so it will not fit into the mouth of your Oscar Fish and will not get eaten. Occasionally, you should also feed them frozen or dried bloodworms, brine shrimp, daphnia, blackworms, etc. Home Freshwater Cichlids Oscars Fish 7 Best Oscar Fish Tank Mates (Compatible And Safe). It can grow very large and it is not recommended for beginners. One of the most problematic aspects of keeping Oscar fish is that they are prolific diggers, they are curious, and they are boisterous. So they will not bother each other and can live peacefully in the same tank. This fish features black and yellow stripes that really stands out in the aquarium and instantly grabs your attention. When you put them in that big tank you'll notice how happy they are and that the fish responds to you with those big bug eyes. That said, we recommend purchasing and raising them together. So the ideal pH and hardness tolerance range of Green terror is nearly the same as Oscar Fish. Some are more aggressive than others; they tend to be aggressive if their space is threatened or when they are breeding. Due to their peaceful behavior, they make a great choice for community tanks. Therefore, you will need a tank of 125 gallons or more to give adequate space to both the fishes. I hope youll find the content on my site helpful. As Firemouth cichlid belongs to cichlids family, they can hold their own against Oscar Fish. Thats why you have to be very careful while choosing tank mates for Oscar Fish. They can become prey to larger fish, but they are quite good at getting away from the predator, which is why they are a good choice for tank mates for Oscar fish. The pH tolerance range is between 6.5 to 8 and the hardness tolerance range is between 8 to 15 GH. 52 Best Freshwater Aquarium Plants For Beginners. Remember, Oscar fish have personality and every Oscar Fish is different from the other. You can keep as many Oscar Fish as you want in one tank but you have to provide it sufficient space to swim. This can only be done in larger tanks. So you can keep Green terror with Oscar Fish if you just manage to keep the temperature within the ideal range. Now we are going to talk about how to take care of your Oscar Fish tank so that your Oscar Fish will have the ideal environment to thrive in your aquarium. Blood parrots have similar requirements as Oscars, they prefer temperatures between 75-80 F and pH levels between 6.5-7.5. If they dont get sufficient space to swim around in the aquarium then the most likely going to jump out. A single Oscar will need a minimumtank capacity of55 gallons, but thats rarely recommended since it provides a tiny swimming area. Besides, they are moderately aggressive fish so they can hold their own against Oscar Fish. They make for a popular choice in larger community choice due to their playful behavior and attractive looks. Adrena; Oct 3, 2021; Oscar Cichlid Forum; Replies 7 Views . Why silver Arowana is good tank mate for Oscar Fish? I also advise performing regular water changes with 10% to 20% of the tank volume to keep your tank water healthy and free of bacteria. Also, try to avoid having other smaller animals in the tank, like the smaller invertebrates shrimp, snails, and other similar creatures. The only problem is, I have had many problems with aggressive Oscars in the past. You should feed them twice a day in small portions. Pleco is another bottom-dwelling fish you can keep in your Oscar Fish tank. Thats all we have for you today! So you should make sure that your tank contains optimum oxygen levels. It can grow up to 24 inches so it will not fit into the mouth of your Oscar Fish and get eaten. Also, they are very messy fish i.e. When it comes to tank size for Oscar Fish the more the better! Silver Dollars are also relatively peaceful fish so you should create some hiding places for them by adding ornaments such as rocks, driftwood, and plants. And as they are omnivorous you should occasionally feed them vegetables. Yes, you can keep an Oscar Fish in 55 gallon tank. Ideally, you should keep other Oscars of the same size in the tank. Just make sure that it is high quality and contains a good amount of protein. Sorry tank mates and tank size cant be exclusive from one another. The great part about Convict cichlids is that they are very easy to care for and dont require much attention. Silver Dollar is a popular schooling fish in the aquarium hobby. This fish can grow up to 7 inches so they will not get eaten by the Oscar Fish. Yes, you can keep to Oscars in a 75 gallon tank if they are small in size i.e. Green Terror 5. In fact, these can be quite territorial and aggressive fish, which is why most people do keep them alone. Besides, Green terror belongs to the Cichlids family which are known for their aggressive behavior and Green terror is no exception. So ideally, you should keep Oscar Fish in a large tank of at least 55 gallons. So they can eat whatever you put into their tank. So it can hold their own against Oscar Fish. 12 Benefits of Live Plants in an Aquarium (Pros and Cons). 12 Best Tank Mates For Oscar Fish 1. Tank Temperature: 75F-82F. And for every new addition, you will require an extra 20 to 30 gallons. These little guys come in lots of colors and make great aquarium pets! Keep in mind that some of these require some knowledge from your part, and also you should have plenty of knowledge to keep the Oscar fish in the first place. use these ways to increase the oxygen levels. In this guide, we will look at the fish types that can be excellent tank mates for your Oscar and some species that dont. You should also keep driftwood and rocks which will provide them more hiding places. The ideal water temperature for Firemouth cichlid is between 75 to 86 Fahrenheit. This fish can get very large up to 30 inches so there is no way that it can fit into the mouth of your Oscar Fish. Prior to becoming Editor-in-Chief of It's a Fish Thing, Lindsey studied marine biology at the University of California-Santa Cruz. It will provide a sufficient space to form healthy colonies of beneficial bacteria that will help to keep nitrogen compounds under control and keep your tank clean and clear. (8 Simple Ways). In general, they tend not to be very complicated to care for and should not cause too many problems if they get enough space and are treated well. These fish are very peaceful fish, and they tend to mind their own business in the tank. They would make great fish tank mates for the Oscar fish because of their peaceful demeanor and also great looks. The firemouth cichlid is another species that would make a good tank mate for the Oscar fish. Pleco is a bottom-dweller fish so it will spend most of its time near the bottom of the tank and will not bother you Oscar Fish. The Jack Dempsey fish is not an easy fish to keep in your tank. The fish you are thinking about keeping with Oscar Fish should be large enough to not fit into the mouth of your Oscar Fish or else it will most likely going to get eaten by the Oscar. There are over 150 species of pleco fish. Of course, like most other Cichlids, they have a prickly nature, and you need to be vigilant if you choose to keep them with tank mates. They can grow to about 20 inches in size and can live to up to 15 years if cared for properly. Ultimately a full-grown Oscar Fish requires a large tank. An Oscar tends to bully its tank mates, so you need an equally aggressive creature. So, for keeping 2 Oscar Fish in a tank you will require at least a 75-gallon tank. Therefore, the minimum recommended tank size for a single Oscar fish is 55 gallons. As they are omnivorous, you should occasionally feed them meaty food such as bloodworms, brine shrimp, etc. They can grow to up to 6 inches in size. The content of this website is not meant to be a substitute for professional medical advice. This is quite warm, so if you live in an area where the ambient air temperature does not keep the water warm enough, you will have to invest in a decent aquarium heater. Silver Dollar is omnivorous and their diet is mostly herbivorous. For a single Oscar Fish, you will need a 55 gallon tank. A decent aquarium light, a basic one will do just fine here. In essence, the jewel cichlid is not an aggressive fish. Severum cichlid like to hide behind ornaments like driftwood, rocks, etc so you should keep a few ornaments in your tank to keep them happy. Many people have confusions and there are a lot of conflicting opinions on the internet about tank size for Oscar Fish. After reading this article, hopefully, all your doubts about Oscar Fish aquarium size will be declared. talk to a vet online for advice >. Well, it is true but they are some species of fish that are compatible with Oscar Fish and this is what we are going to talk in this article. So, for keeping 2 Oscar Fish in a tank you will require at least a 75-gallon tank. This means that this fish is for intermediate to advanced fish tank owners. Its pH tolerance range is between 6.5 to 8 and the hardness tolerance range is between 8 to 15 KH. They can make a good companion for the Oscar fish. Mikejar123; Apr 2, 2022; Replies 17 . Stay on top of dog food recalls here >, Have a question? In the wild, Oscars tend to live in sandy waters, and therefore this is what you should be using as substrate. Firemouth cichlid belongs to cichlids family and they are moderately aggressive so they can hold their own against Oscar Fish. And to fulfill their non-vegetarian needs, you should feed them boiled peas, spinach, carrots, etc. So if your only goal is to breed Oscar Fish then you should purchase already mated and spawned pair of Oscar Fish. Read full disclaimer. Therefore, you will need a tank of 125 gallons or more to give adequate space to both the fishes. Why Firemouth cichlids are good companions for Oscars? Jaguar cichlid is a large fish that can grow as large as 24 inches. Its pH tolerance range is between 6 to 6.5 and the hardness tolerance range is between 4 to 6 GH. The ideal temperature range for Oscar Fish is between 74 to 81 Fahrenheit. It is usually safe to place Chocolate Cichlids and Oscars together since they are nearly the same size and do not threaten each other. This fish can get pretty large similar to the size of your Oscar Fish. Thats why they are also known as poor mans discuss. You can see why it is so popular with tank keepers, but there are some considerations for you if you want to keep them with the Oscar fish dont keep them in the tank if they are mating or have just one fish of the species in the tank. Silver Arowana are also known for their jumping abilities and they can jump up to 3 meters high. Besides, the ideal water parameters for Silver Arowana are quite similar to that of Oscar Fish so you can easily keep them together in the same tank. The minimum requirement for an Oscar is 75 gallons so lets imagine we are working with a 50 gallon tank for your tankmates. In general, they are better suited to larger tanks of 150 gallons or even larger. Thanks to their behavior, blood parrot cichlids are compatible with many other cichlids, including Oscars. Why convict cichlids are good tank mates for Oscars? You can also feed them plant-based sinking flakes. Beneficial bacteria help to keep harmful nitrogen compounds in control. As these fish are shoaling fish, it means that you should keep more of them together. Parmesany What to add to my 135 gallon Oscar tank. But be warned that this fish is only a good companion if you have experience in keeping aggressive fish together. Hello Everybody, I'm looking for advice on some stocking ideas for my 125 gallon tank. When it comes to selecting tank mates for your Oscar, there is one crucial thing that you need to keep in mind. Also be mindful of putting small invertebrates and shrimp together with the Oscar fish, as they too might be under threat. So there is no way they will get eaten by Oscar Fish. Oscar Fish belongs to the cichlids family and they are known for their aggressive behavior. And in captivity, it can grow up to 13 to 14 inches. In short, they make a good tank mate for the Oscar fish as they are good-looking and also peaceful. The filtration I'm planning is two fx6 filters and loads of plants growing out of the top of the tank including . Mixing oscars is really just like rolling dice, it's a gamble. Oscars do like to explore their tanks and they are used to living in natural environments with a fair amount of debris present on the waterbed. The jaguar cichlid is not an aggressive fish but rather it is rather a semi-aggressive fish. Its pH tolerance range is between 7-8 and the hardness tolerance range is between 3 to 10 KH. Here are a few examples of fish which are ideal for a 125 gallon tank: Clown Loach: . A 125 gallon tank is even better to allow for more swimming space and more controllable water parameters. The Plecostomus, or the plecos, belong to the loricariidae family and are one of the most popular catfish species out there. I'm content with the way it is, but I feel it hasn't reached full potential. This fish is quite aggressive and it can hold its own against Oscar Fish. The ideal water temperature for Bichir is between 77-84 Fahrenheit. Jack Dempsey can grow up to 15 inches. In The wild, they feed on large insects, small fishes, snails, frogs, and even rabbits and snakes. Besides, convict cichlids spend most of their time in their territory inside caves, between plants and ornaments, etc so they will not bother you Oscar Fish. Lets take a closer look at what you need to know about Oscar fish housing requirements. So they will also help to keep your tank clean. As the name suggests, Green Terrors are known for their aggressive behavior and metallic green and blue colors. You can also feed them small pieces of meat such as Beefheart and frozen fish. Ideal Water Parameters for Goldfish: 5 Measurements You Need to Know! Its pH tolerance range is between 6.5 to 7.5 and it prefers softer water. Sudden spikes in the ammonia level can cause loss of color and hunger in your Oscar Fish. Convict cichlids are one of the best fish you can keep as a tank mates in your Oscar Fish tank. Jack Dempseys are carnivores, which means that they prefer frozen foods as well as live foods. 5 Jun. Josh752 Locked; Oscar attacked by larger Oscar. Parmesany; Sep 19, 2022; Oscar Cichlid Forum; Replies 7 Views 180. The most widely-spread cichlasoma are the cichlasoma amazonarum, cichlasoma bimaculatum, and the cichlasoma trimaculatum. Outside of the occasional territory tussles, everyone gets along well. The ideal temperature for Convict cichlid is between 79 to 84 Fahrenheit. 5 Reasons Why & What to Do. How much space for more than one Oscar Fish? It is also a nocturnal fish which means that it will stay active during the night and hide behind any ornament like driftwood, rock or near plants during the day. . All the content on this site is provided for informational and entertainment purposes only and must not be used as an alternative to seeking professional advice from a veterinarian or other certified professional. Nov 28, 2022. Also, it grows very rapidly at a rate of 1 inch per month. So, always look for fish that is larger than 6-inches. Are Oscar Fish Good Pets? On a rank of 10, these two compatibility level is 7, while their temperature requirement is 78-82 F. The only thing you should keep in mind is that you should use at least 75 to 80 gallon tank because Oscar Fish can get very big. And this fish requires at least a 30-gallon tank. Silver Arowana is also moderately aggressive fish so they can hold their own against Oscar fish. You can also feed it sinking flakes and pellets. All the content on this site is provided for informational and entertainment purposes only and must not be used as an alternative to seeking professional advice from a veterinarian or other certified professional. Its body patterns do look a bit like a jaguar. (Are They Friendly?). Josh752; Nov 28, 2022; Oscar Cichlid Forum; Replies 11 Views 192. So, most aquarists wish to add a bit more color and spark to their aquarium and look for a suitableOscar fish tank mates. Black Banded Leporinus can grow up to 12 inches so it requires a larger tank of at least 55 gallons. Ornate Bichirs can grow up to 24-inches, so remember to keep them in a large tank with a lid since they are active jumpers.Scientific Name:Polypterus ornatipinnisFamily:PolypteridaeOrigin:Captive-BredCare Level:ModerateColor Form:TanSize:2Temperature:77-83 FPH:6.5-7.5Diet:CarnivoreMinimum Tank Size:180 gallonsTemperament:Semi-aggressive. To keep the water clean and clear you should use a large canister filter and a hang on the back filter for the breeding tank. The second thing is you should avoid keeping the fish that are very small in size because Oscar Fish can easily eat them. Blue Acara can tolerate a wide range of water parameters especially the temperature. oscar tank mates 55 gallon - Oscar Fish Advice Forum: Tiger Oscar (1/1)55 Gallon Cichlid Tank Setuphere is is again next too an Aro for a bit size comparis. Oscar fish are some of the most popular aquarium fish around. AquariumFishCity.com is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. Jack Dempsey is relatively a good choice for Oscar tank mate. In your aquarium, it will feed on algae and help to keep algae in control. I hope youll find the content on my site helpful. Angel fish will not be able to adequately defend themselves against Oscars. Bichir can grow up to 30 inches long so there is no way that they can fit into the mouth of your Oscar Fish. Usually, algae eater fish like Pleco are bottom dwellers so they can be good tank mates for Oscar Fish and they will help to keep algae in control in your tank. Though they are omnivorous, their diet mostly consists of meaty food. 12 Benefits of Live Plants in an Aquarium. They eat a lot and they arent neat eaters, plus they do create a lot of waste as well. Yoyo Loach Tank Mates; Ghost Shrimp Tank Mates; 1. it will stay active during the night and during the day it will spend most of its time hiding behind decorations or near driftwood. When it comes to tank mates for Oscar Fish there are a couple of things you should keep in mind. You should purchase already mated and spawned Oscar Fish to put into your breeding tank. When it comes to tank mates for Oscar fish there are a few things you should keep in mind. oscar tank mates 125 gallon oscar tank mates 125 gallon Home Realizacje i porady Bez kategorii oscar tank mates 125 gallon. Their diet mostly consists of meaty food so you should feed it flakes and pellets, frozen and dried bloodworms, brine shrimp, crickets, earthworms, etc. And will hide near plants, driftwood or any ornaments in your tank during the day. Firemouth Cichlids are not that demanding and are ideal for community tanks. Jack Dempsey is also known for their aggressive behavior so they can hold their own against Oscar Fish. For 2 Oscar fish, you should have a tank that is between 100 - 125 gallons in size. This is a bottom dweller fish and spends most of its time near the substrate. they produce a lot of waste. Jaguar cichlid can grow as tall as 24 inches so it requires a large tank of at least 125 gallons. Multiple oscars *** 125 Gallons (6ft tank) The bare minimum tank size I would recommend for two oscars is 125 gallons. While it is not aggressive in community tanks, it can be aggressive towards stray fish in your tank. To keep nitrogen compounds under control and to keep your Oscar Fish tank clean and clear you should have a good filtration system in place. Thus, it is best to keep at least 4 to 5 of them together at all times.Scientific Name:Metynnis argenteusFamily:CharacidaeOrigin:Captive-BredCare Level:EasyColor Form:WhiteSize:6Temperature:72-77 FPH:5.0-7.0Diet:HerbivoreMinimum Tank Size:30 gallonsTemperament:Peacefulif(typeof ez_ad_units!='undefined'){ez_ad_units.push([[250,250],'aquariumfishcity_com-mobile-leaderboard-1','ezslot_12',115,'0','0'])};__ez_fad_position('div-gpt-ad-aquariumfishcity_com-mobile-leaderboard-1-0'); Native to Southern America, Chocolate Cichlids are easy-going creatures and have the same water and food requirements as Oscar fishes, making them a suitable choice for tank mates. As mentioned earlier, Blue Acara can tolerate a wide range of water parameters especially the temperature. Pros of keeping with Arowana . When you buy via links on our site, we may earn an affiliate commission at no cost to you. Mostly you should feed them fresh live food like Crabs, Shrimps, Earthworms, etc. I have a 125 gallon tank and I love Oscars. All these fish are quite large and thus they make good companions for the Oscar fish. Ideally, 4 or 5 of bala sharks together would be great. Copyright 2023 - SmartAquariumGuide. Jack Dempsey 6. It is a pretty hardy fish and it is very easy to care for. Its pH tolerance range is between 7 to 8.7 and the hardness tolerance range is between 10 to 15 GH. While choosing tank mate for Oscar Fish, you should make sure that the ideal water parameters that the fish you are thinking about keeping with your Oscar Fish are similar to that of Oscar Fish. But their diet mostly consists of meaty food. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Hi, Im Tom Jones. Oscar Fish spends most of its time in the middle part of the tank so it will not bother you Oscar Fish. You should try to match this diet in your aquarium as well. 15 Best Oscar Fish Tank Mates Full List of Compatible Fish. In the wild, it lives in the area where there are strong currents so you should try to emulate the same and use a powerhead to create a strong current in your tank. On the other hand, delicate and shy fishes like Discus need a quiet environment to flourish and will not compete for food with an Oscar. No, as mentioned earlier, Oscar Fish can get pretty large and it grows very quickly. Also, there is an overlap between the ideal water parameters range for Jaguar cichlids and Oscar Fish so you can keep them together in the same tank. The black ghost knife fish are mainly nocturnal animals and they are mainly of black color; then the only place where they are not black is on the tail, where they have white spots. You might need to be careful about putting some specific fish species in the tank with the Oscar fish. But this doesnt mean that they cannot coexist with other tank species like the Oscar fish, but it simply means that they should be kept by experienced tank keepers and people who know what they are doing. The Oscar fish can be a handful to manage once you have them in your tank, but if you provide them with the right conditions and tank mates, then it can be much easier to handle them. Green Tera is another fish you can keep in your Oscar fish tank. In a 55 gallon tank Oscar Fish can get up to 9 inches. For this reason, you need to pick the tank mates for the Oscar fish carefully. No, keeping Angel fish with Oscars is not a good idea. Fish require oxygen to survive in fish tank. This is a colossal mistake and negates the chances of either of the fishes thriving. And to juvenile Jack Dempsey, you can feed 2-3 times per day. Scientific Name:Hypselecara temporalisFamily:ChilidaeOrigin:Captive-Bred, PeruCare Level:ModerateColor Form:Brown, Orange, Red, YellowSize:1Temperature:76-82 FPH:5.5-7.5Diet:OmnivoreMinimum Tank Size:70 gallonsTemperament:Moderate. Remember that it does need to be soft, because Oscars like to dig.