oscar tank mates 125 gallon
This fish is very popular because it comes in many different colors and sizes. So you can keep Green terror with Oscar Fish if you just manage to keep the temperature within the ideal range. Therefore, you could house 2 Oscars in a 125-gallon tank. Were always learning, figuring stuff out, taking advantage of the enormous smarts of our friends and our on-line community, and trying to give some of that back in turn. In the wild, Oscars tend to live in sandy waters, and therefore this is what you should be using as substrate. If you notice high-temperature level in your Oscar Fish tank then you can try these ways to reduce the temperature in your tank. In this guide we cover a few of the the best Oscar tank mates and everything you should know before keeping them. So the ideal water parameters range of Bichir is similar to that of Oscar Fish. Jack Dempsey can grow up to 15 inches. Oscar Fish belongs to the Cichlids family and they are known for their aggressive behavior. This fish is hardy and easy to care for which makes it an ideal choice for beginners. Im keeping freshwater fish from a few years now. 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. Black Banded Leporinus can grow pretty large up to 7 inches so it will not fit into the mouth of your Oscar Fish and will not get eaten. It spends most of it its time in the territory so it will not bother you Oscar Fish. The AquariumFishCity is reader-supported and we hope you love the products we recommend! It is a schooling fish so you should keep them in at least a group of 4-5. The second thing is you should avoid keeping the fish that are very small in size because Oscar Fish can easily eat them. Required fields are marked *. Its pH tolerance range is between 7-8 and the hardness tolerance range is between 3 to 10 KH. Firemouth cichlid can grow up to 7 inches so they will not get eaten by the Oscar Fish. But Oscar Fish can grow very fast. Therefore, you will want to add a few basic rocks and pieces of driftwood to the mix, just to make them feel at home. Can angel fish live with Oscars? A Tiger Oscar grows up to 18 inches, whereas an Albino Oscar will become 14 inches long. So you can easily keep them in the same tank. This can only be done in larger tanks. Primarily, you should feed them cichlids flakes and pellets. Copyright 2023 - SmartAquariumGuide. As mentioned earlier, Blue Acara can tolerate a wide range of water parameters especially the temperature. For one, an Oscar fish tank filter should be able to handle at least 3 times the amount of water in the tank every hour. The last on this list is the silver dollar fish. How big will an Oscar can get in a 55 gallon tank? document.getElementById("ak_js_1").setAttribute("value",(new Date()).getTime()); AFC was designed and made with fish keepers like you and me in mind. Think the tiger Oscar will get along with these tank mates, or should I not even try it? Besides, Plecos are nocturnal fish which means that they stay active during the night and feed during the night. Ardiej; Apr 22, 2022; Replies 7 Views 348. 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. Oscar tank mates | AquariaCentral.com However, when they are mating, they start to be very aggressive towards other fish. Oscar Fish can grow very large. Silver Arowana can get pretty large so there is no way they can fit into the mouth of your Oscar fish. The minimum requirement for an Oscar is 75 gallons so lets imagine we are working with a 50 gallon tank for your tankmates. Most people have no problems keeping 2 or 3 of them in the same tank, although they may get into little skirmishes every now and again. On a rank of 10, these two compatibility level is 7, while their temperature requirement is 78-82 F. This fish is known for its hunting abilities. So they will not bother your Oscar Fish during the day. Freshwater Angelfish: . It can grow up to 24 inches so it will not fit into the mouth of your Oscar Fish and get eaten. The bala shark is quite a large freshwater fish species that can grow to up to 12 inches. Nov 28, 2022. Firemouth Cichlids are not that demanding and are ideal for community tanks. Silver Dollars are medium size, active schooling fish so if you keep them in a group of five then they can easily survive in an Oscar fish tank. In the wild, it feeds on crustaceans, insects, invertebrates, and other small fish. Therefore, you will need a tank of 125 gallons or more to give adequate space to both the fishes. All these fish are quite large and thus they make good companions for the Oscar fish. Remember to always ask a veterinarian for help regarding your pets. Its pH tolerance range is between 6.5 to 7.5 and it prefers softer water. Bichirs are moderately aggressive fish so they can hold their own against Oscar Fish. This particular trait makes them not so great as tank companions, but you should keep them away when they are mating. Primarily, you should feed them Cichlids flakes and pellets. 12 Best Freshwater Fish for Aquarium (5th is the Coolest Youve Ever Seen). So the ideal water parameters that a Convict cichlid require are similar to that of Oscar Fish. Besides, Firemouth cichlids are very hardy and easy to care for so you dont have to give them a lot of attention. Green terror is not very difficult to keep if you provide it good water quality. Bichir is one of the best tank mates for Oscar Fish. This means that if you intend to keep a single green terror cichlid, then they are suitable for tanks of 35 gallons or more. 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. If they dont get sufficient space to swim around in the aquarium then the most likely going to jump out. But they can be kept as a single specimen, which is why a 30-gallon tank would be good enough for plecos. Oscar Tank Mates - Top 10 For Aquariums - AquariumStoreDepot You should also feed eat plant-based fish food like flakes on daily basis. You can also keep some fast growing plants in your aquarium and occasionally Blue Acara will nibble on them. Green Terror 5. Plecos are nocturnal fish and they are inactive during the day and usually hide behind ornaments like driftwood or rock or near plant matters. Oscar fish are used to living in fairly tropical waters, and therefore they do require you to keep the tank at a certain warmth. No, keeping Angel fish with Oscars is not a good idea. You can keep them in a community tank with most South American Cichlids, Characins, orCatfish. Bichir can grow as large as 30 inches so you will require a large tank to keep it in an aquarium. As they are omnivorous, you should occasionally feed them meaty food such as bloodworms, brine shrimp, etc. They are pretty colorful fish and features bright metallic blue and green colors throughout their body. If you want to keep two of them, then a 75-gallon tank would be better. But if you have a small tank or if you have overstocked your tank then nitrogen compounds levels can spike pretty quickly. Ideally, 4 or 5 of bala sharks together would be great. I created Aquagoodness to help beginners get started with the hobby and to share my experience. Out here, we have listed the best tank mates for your Oscar. This fish can get pretty large up to 6 inches so it will not fit into the mouth of your Oscar Fish. But their diet mostly consists of meaty food. However, if you want to keep two Oscars, then you will need a minimum tank capacity of 125 gallons. Jack Dempsey is a very large fish (up to 15 inches) so it will not get eaten by your Oscar Fish. Why Blue Acara is a good tank mate for Oscar Fish? oscar tank mates 55 gallon - Oscar Fish Advice Forum: Tiger Oscar (1/1 Bichir 2. TreeSqueak; Jul 8, 2022; Replies 10 Views 189. The ideal water temperature range for Silver dollar is between 75-82 Fahrenheit. There are more subspecies of the jewel cichlids blue jewel, green jewel, jewelfish and more. And for two Oscar Fish, you will require 75 to 85 gallon tank. Tank mates for Oscar 55g. I have two angels, three EB acaras, one EB jack Dempsey, two German rams, 5 yoyo loaches, and a pleco. Blue Acara can tolerate a wide range of water parameters especially the temperature. Usually, in captivity, Oscar Fish can get up to 12 inches and it can get up to 13 to 14 inches. Severum cichlid can grow as large as 7.9 inches so it requires a large aquarium of at least 45 gallons. Silver Dollar is omnivorous and their diet is mostly herbivorous. Home Freshwater Cichlids Oscars Fish 7 Best Oscar Fish Tank Mates (Compatible And Safe). So when it comes to aquarium size for Oscar Fish, the more the better! Firemouth cichlid belongs to cichlids family and they are moderately aggressive so they can hold their own against Oscar Fish. So you should keep them in a heavily planted tank. They can live for up to 10 years. I have a 125 gallon long tank and would like to add a tiger Oscar. Generally speaking, the more room you can give your fish the better, so we personally would aim for at least 60 gallons per Oscar fish. oscar tank mates 125 gallonjj auto sales. They can appear quite shy when they are around other fish. When Oscar Fish are juveniles (about 1 inch) they look very cute and little fish. Option 1 - Silver dollars get much too large for a 50 gallon and I can see them easily being picked on my the oscar. So there is no way they will get eaten by Oscar Fish. The silver dollar fish are omnivores and they are quite peaceful, which means that they do not require too much in terms of maintenance. It can live for up to 10 years. So ideally, you should keep them in a larger tank. You can keep 4-5 juvenile Oscar Fish in a small tank of 30 gallons. So they will not bother each other and can easily live in the same tank. This means that you do need a fairly strong filter for them. They are larger than the Oscar fish, which means that they will not be threatened by these fish. Its pH tolerance range is between 6-8 and the hardness tolerance range is between 5 to 20 KH. Oscar Fish: What To Know About This Stunning Cichlid Oscar tank mates in a 125 : Aquariums - reddit.com In The wild, they feed on large insects, small fishes, snails, frogs, and even rabbits and snakes. Basically, whichever fish that can fit into the mouth of your Oscar Fish you should avoid keeping it in the tank. It really depends on the Oscar fish how it will behave but if you choose any of the above fish then your chances of success will definitely increase. If you use something like gravel, Oscars are likely to injure themselves when digging. Also, because these fish tend to be rambunctious, you will want to consider getting an external canister filter that is relatively safe from harm. less than 10 inches. 10 things you should know before buying Oscar fish | Tank Facts Primarily, you should feed them cichlids flakes and pellets. Providing a varied diet is key for healthy Firemouth cichlids. As the name suggests, Green Terrors are known for their aggressive behavior and metallic green and blue colors. In the wild, they feed on small insects, plant matters, and mosquito larvae. If you noticed any of these signs then you can use these ways to increase the oxygen levels. Oscar fish in the wild live in fairly neutral waters when it comes to acidity. I hope youll find the content on my site helpful. They are also quite large they grow to up to 6 inches, which is also similar to the Oscar fish. Actually Oscar fish is not very aggressive fish but it will definitely eat whatever can fit into its mouth. But above all, this is a very beautiful fish. 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. How to Increase Oxygen in Fish Tank? It is one of the most popular fish in the aquarium hobby. Why silver Arowana is good tank mate for Oscar Fish? Parmesany What to add to my 135 gallon Oscar tank. You can feed them live food such as bloodworms, brine shrimp, etc. I created Aquagoodness to help beginners get started with the hobby and to share my experience. I hope youll find the content on my site helpful. Jack Dempsey can grow as large as 15 inches so it requires a larger tank of at least 80 gallons. So, make sure you have sufficient ornaments and rocks in your tank to give this creature ample hiding space. 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. The clown loach, or the tiger botia, is a very well-known fish species among the fish tank keepers. Besides, the ideal water parameter range for Pleco is between 74 to 80 Fahrenheit. . So, if you have a tank large enough to keep more than two fishes, Severums will be a fantastic choice. (8 Simple Ways). The Jack Dempsey fish is not an easy fish to keep in your tank. You also have to remember, minimum size equals maximum effort. When you keep other tank mates with your Oscar Fish then you should know the tank size requirement for that particular species of fish and choose tank size accordingly to keep them together. Jack Dempsey is relatively a good choice for Oscar tank mate. They can jump out of the tank so you should always keep a lid on your aquarium. Oscar fish like their water to be fairly soft to moderately soft, with a KH level between 5 and 20. An Oscar fish needs 55 gallons of tank space at the least, although closer to 75 gallons is the ideal. Here are a few fish types you need to avoid while looking for an Oscar tank mate: if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'aquariumfishcity_com-large-mobile-banner-1','ezslot_5',134,'0','0'])};__ez_fad_position('div-gpt-ad-aquariumfishcity_com-large-mobile-banner-1-0');Oscars are hostile creatures that will eat any fish small enough (less than 6-inches) to fit in its mouth. This fish features black and yellow stripes that really stands out in the aquarium and instantly grabs your attention. To conclude, the Oscar fish are stunning fish that are very popular because of their stunning appearance. A varied diet is key for a healthy Green terror so you should feed it both vegetarian and nonvegetarian foods. As Green terror can grow as large as 12 inches, it requires a large tank of at least 55 gallons. You can also feed them small pieces of meat such as Beefheart and frozen fish. Why Pleco is a good tank mate for Oscar Fish? SmartAquariumGuide.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. 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. 6 Tips to Take Care of Live Plants in Aquarium. 5 Reasons Why & What to Do. Its pH tolerance range is between 5.5 to 7.5 and the hardness tolerance range is between 4-18 KH. If you got larger Oscars then you will have to upgrade the tank to at least 125 gallons. So, for keeping 2 Oscar Fish in a tank you will require at least a 75-gallon tank. How many gallons does an Oscar fish need? The bare minimum tank size for any type of oscar fish is 75 gallons. When it comes to selecting tank mates for your Oscar, there is one crucial thing that you need to keep in mind. It belongs to the Cichlids family and it is moderately aggressive so they can hold their own against Oscar Fish. they produce a lot of waste. Lets take a closer look at what you need to know about Oscar fish housing requirements. As Firemouth cichlid belongs to cichlids family, they can hold their own against Oscar Fish. talk to a vet online for advice >. The green terror cichlid is another aggressive fish on this list. 7 Best Oscar Fish Tank Mates (Compatible And Safe) - AquariumFishCity Most people would go for plants that can be tied to rocks or driftwood. 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. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[336,280],'aquariumfishcity_com-box-4','ezslot_4',112,'0','0'])};__ez_fad_position('div-gpt-ad-aquariumfishcity_com-box-4-0');For a 100g tank, you can have an Oscar with a school of Silver Dollars. 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. The filtration I'm planning is two fx6 filters and loads of plants growing out of the top of the tank including . Hepper.com does not intend to provide veterinary advice. Clown Loaches can grow to 12 inches or more. 52 Best Freshwater Aquarium Plants For Beginners. Tank Size For Single Oscar And Silver Dollars | My Aquarium Club Why Silver Dollars are good tank mates for Oscar Fish? As Jaguar cichlid belongs to the cichlid family, it is moderately aggressive fish so they can hold their own against Oscar Fish. The jaguar cichlid is a very attractive fish. The ideal pH range for Oscar Fish is between 6-8 and the ideal hardness level is between 5 to 20 KH. If you are planning to keep more than a pair or some other tank mates, a 125-gallon tank or larger is the ideal tank size. You may have heard that Oscar Fish is too aggressive to keep any tank mates with it. Mostly you should feed them fresh live food like Crabs, Shrimps, Earthworms, etc. Stay on top of dog food recalls here >, Have a question? Though they are omnivorous, their diet mostly consists of meaty food. lake baikal shipwrecks / mazda cx 5 vehicle system malfunction reset / oscar tank mates 125 gallon. Besides, Convict cichlids are very active fish and they usually spend most of their time in their territory inside caves or plants, etc so they will not bother you Oscar Fish. Although they usually flee when faced with aggression, they can counter the hostility if necessary. Oscar Tank Mates 125 gallon. You should also keep driftwood and rocks which will provide them more hiding places. Firemouth cichlid is another fish from the Cichlids family you can keep with Oscars. Soft sand that your Oscars can dig around in is what you need, and to make the aquarium look good with brightly colored Oscars, getting either white, yellow, or black aquarium sand is recommended. Besides, Black Banded Leporinus is a very active algae eater fish so it will help to keep algae in control in your aquarium. Dec 29, 2020. They are perhaps one of the most beautiful fish and they swim so gracefully that it would be hard to imagine them being an aggressive fish. oscar tank mates 125 gallon - thanhvi.net Prior to becoming Editor-in-Chief of It's a Fish Thing, Lindsey studied marine biology at the University of California-Santa Cruz. Yes, Oscars can live with any sort of tankmate (smaller, less aggressive fish) if you set up a minimum 100g tank. Firemouth Cichlids are hardy and moderately aggressive, preferring to avoid any conflicts rather than facing them headlong. Hello Everybody, I'm looking for advice on some stocking ideas for my 125 gallon tank. Plecos are omnivorous but they mostly feed on algae in your tank. This is a bottom dweller fish and spends most of its time near the substrate. The first thing is you should keep the fish that are are similar to the size of your Oscar Fish and that can hold their own against Oscar Fish. Its pH tolerance range is between 6 to 6.5 and the hardness tolerance range is between 4 to 6 GH. Convict cichlids dont go grow too large so they dont require a very large tank. You want to have some passive fish in there that will not get in the way of the Oscar fish. Yes, you can put 2 Oscars in the same tank. Im keeping freshwater fish from a few years now. Live bearing fish species like Mollies, Guppies and Platys are also kept in . Thus, fishes that require pristine water conditions cannot survive in Oscar tanks. Silver Dollars are medium size fish and you should keep them in at least a group of five in your Oscar fish tank. But when they grow up, they might turn aggressive to stray fish and smaller fish in the tank. So, in that case, you will have to do water changes more frequently. Mikejar123; Apr 2, 2022; Replies 17 . Adding rocks, plants and caves in their tank, make them more comfortable in their environment. So, for keeping 2 Oscar Fish in a tank you will require at least a 75-gallon tank. So, if we are talking about a 125-gallon tank, your filter should be able to process at least 375 gallons per hour, although even more is better. Oscar Fish is no exception and they are quite aggressive fish. oscar tank mates 125 gallon oscar tank mates 125 gallon Home Realizacje i porady Bez kategorii oscar tank mates 125 gallon. Moreover, their tendency to dig for food can also dislodge debris in the substrate. as well as territorial species like Oscars. 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. Oscar fish tank condition Before we look into appropriate species that are best suitable for Oscar in a community tank, it is best you understand the basic requirements that you need to keep their tank alive. Yoyo Loach Tank Mates; Ghost Shrimp Tank Mates; 1. The minimum tank size of these fish is 100 gallons. ATiger Oscargrows up to 18 inches, whereas anAlbino Oscarwill become 14 inches long. Occasionally, you should also feed them frozen or dried food such as bloodworms, brine shrimp, daphnia, blackworms, etc. Also, you should regularly feed them frozen or dried bloodworms, brine shrimp, daphnia, etc. 6 Tips to Take Care of Live Plants in Aquarium. But they should be fine if they have enough space with the Oscar fish. Do Oscar fish need tank mates? They have 8-9 black stripes throughout their body that look similar to zebra. Bichirs are also nocturnal fish i.e. AquariumFishCity.com is supported by our readers. They eat a lot and they arent neat eaters, plus they do create a lot of waste as well. They grow over 12-inches long and are exceptionally calm compared to most Cichlids their size. Occasionally, you can also feed them frozen or dried bloodworms, earthworms, mealworms, daphnia, brine shrimp, etc. Given their aggressive nature, they can stand up to Oscars, when necessary, as long as both the fishes are of similar sizes. The minimum tank size requirement for a single Firemouth cichlid is 30 gallons. Stay on top of cat food recalls here >, Have a dog? So, how many Oscars in a 125-gallon tank can you keep? For a single Oscar Fish, you should get a 55 gallon tank. Oscar Tank Mates - True Aquarium In this guide, we will look at the fish types that can be excellent tank mates for your Oscar and some species that dont. Bright colored and stunning, Gold Severum Cichlid is more peaceful than any of our other recommendations and can thrive in community tanks. Blue Acara is a very hardy fish and can tolerate a wide range of water parameters. And to the juvenile Green terror, you should feed 3 times per day in small portions. This fish can jump out of the tank so you should always keep a lid on your aquarium to prevent it jumping out of the tank. However, after some time its growth will be stunted once it reaches 10 inches. Like Oscars, they belong to the Cichlid species of fishes and can be even more hostile than them, especially during the spawning season. You want to avoid putting smaller, peaceful fish next to the Oscar fish, as they will become prey quickly. You should purchase already mated and spawned Oscar Fish to put into your breeding tank. Silver Dollar fish can grow up to 6 inches and as they are schooling fish you should keep them in at least a group of five. This fish is very territorial and it will form territory in your tank. For me: Aquariums are like jello - there's always room for more! The ideal temperature for convict cichlids is between 74 to 81 Fahrenheit. These fish are beautiful, but they can also be very aggressive towards other fish. Pros and Cons. And it spends most of its time in the middle part of the aquarium so Bichir will not bother your Oscar Fish. They can be kept with lots of other fish, however smaller species of Tetra are the most common tank mates. Oscar Fish rarely come near the substrate of the aquarium. Oscars do not necessarily need tank mates, but keeping other fishes around them can make them more sociable since they are inherently hostile. I created Aquagoodness to help beginners get started with the hobby and to share my experience. Remember that these fish can be territorial and aggressive, and therefore, ensuring that they have plenty of space and an aquarium that mimics their natural environment is quite important. 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. Why Bichir is a good tank mate for Oscar Fish? Oscar Tank Mates - Alive Aquarium Silver Dollar is an active fish it can easily survive in an Oscar Fish tank. They tend to be very active fish; however, they can be very timid and shy, especially at the beginning when they are put in the tank or when you introduce new fish to the tank. However, when provided with enough room, you can keep multiple Oscar fish together. 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. they produce a lot of waste. 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. Its body patterns do look a bit like a jaguar. 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 content of this website is not meant to be a substitute for professional medical advice. Another variety from the Cichlid species, Black Convicts are proactive and aggressive. Therefore, the minimum recommended tank size for a single Oscar fish is 55 gallons. If you are keeping these two species together, make sure you first observe their aggression. Besides, Blue acara can grow relatively large so they will not fit into the mouth of your Oscar Fish. These little guys come in lots of colors and make great aquarium pets! Why Firemouth cichlids are good companions for Oscars? A 125-gallon aquarium is preferred to give your fish more room to swim and to keep water parameters balanced. Also, there is an overlap between the ideal temperature range of both the fish. 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. Why Black Banded Leporinus is a good tank mate for Oscar Fish? Parmesany; Sep 19, 2022; Oscar Cichlid Forum; Replies 7 Views 180. Oscars are beautiful red-orange fish that originate from South America and grow 12 to 14 inches in size. The ideal water temperature range for Silver Dollar is between 75 to 82 Fahrenheit. Make sure that you also provide plenty of caves and plants for these fish. Some are more aggressive than others; they tend to be aggressive if their space is threatened or when they are breeding. Parmesany; Sep 19, 2022; Replies 7 Views 189. I hope youll find the content on my site helpful. If you keep fish in groups, then the Jack Dempsey fish will not get aggressive. It is also known for its aggressive behavior. Thats why you have to be very careful while choosing tank mates for Oscar Fish. It is not necessary to keep tank mates in an Oscar fish tank. And to fulfill their non-vegetarian needs, you should feed them boiled peas, spinach, carrots, etc. The ideal water parameters that Firemouth cichlid requires are quite similar to that of Oscar Fish so you can easily keep them both together.