: Tetras, Danios, White Clouds, Barbs, Rainbowfish, Bala Sharks, Corydoras Catfish, and many other types of schooling fish live best in a group with at least six fish … Oscar Gallon. I have kept a trio of them with my oscars for a little over a year. By that I think they mean a predator. Since most fish are mature at about 4 inches or larger and you want quite a few and for them to have all sorts of room, you are talking about a huge tank. The other cases involved the Oscars owner having to manually remove the fish from the tank and use tweezers to get the catfish out of the mouth of the Oscar. I would recommend a minimum of 3 for their comfort, so you would need a fairly large tank to keep them with a pair of oscars. Oscar fish tank size in gallons, varies as per their size, but in the general case, it is minimum 55 gallons for a single fish which is typically about 10 inches in length in captivity. You can get them to shoal or hang out together. Schooling fish are best as that way, generally, your oscar won’t single one fish out for harassment, but will instead divide its attention between the school. Oscars grows very fast and for right growth it needs a tank of 100 gallons capacity or more, also the feed for this fish is rather expensive. Complete Guide of Oscar Fish: Caring, Tank mates, Food . Fish rarely school in an aquarium. Anything smaller than 55 gallon per fish will be a struggle and will put unnecessary stress on the fish. Oscar fish comes from a family of cichlids. Platies, mollies, swordtails, and guppies are all considered loose shoalers, but it is still best to keep them in groups of 3 or 4. Oscar Fish Care 101: Tank Requirements. Tinfoil Barbs (Barbodes schwanenfeldi) * 180 Gallons: This is a large (about 12 inches SL) schooling fish that my oscars pretty much leave alone. Due to their sheer size, it’s important that you have more than enough tank for the Oscar fish to grow into and thrive in. Another small schooling fish designed for novice fishkeepers, the White Cloud Mountain Minnow must be kept in a tank that is no smaller than 10 gallons. This fish likes to hang out in the middle to top levels of the water column, and while it is not as popular as a tetra, barb, or rasbora, it is still a great schooling fish for your aquarium. The Oscar is undoubtedly a species of fish worthy of a place in any aquarium, as long as its large enough, in any home. Schooling behavior is thought to be a response to an external threat. Click here now to buy Neon Tetras. Capacity increases with increase in number of Oscar fish to be kept. You might need to be careful about putting some specific fish species in the tank with the Oscar fish. They are attractive, intelligent, fairly easy to keep, and certainly entertaining to watch. In perfect cases, best size should be 75-gallon for one adult Oscar fish. The Oscar Fish (Astronotus ocellatus) is a type of cichlid and a member of the Cichlidae family.Although there is an enormous selection of Oscars available today, originally there were only three ‘parental’ types of Red, Albino and Tiger Oscar fish. This fish originates from the tropical South America as most of the cichlids are from South America or Africa. They also have a different name such as Tiger Oscar fish, marble cichlids and velvet cichlid. In addition, oscar is a raptorial feeder that should be kept in a separate tank with its couple match or in a very large tank with large tank … Neon Tetras, shown above, a re schooling fish and they should always be kept in a group with at least 6 Neons. All these variations are the products of cross-breeding. So consider adding other fish to the tank that are big enough and fast enough to escape your cichlid’s attention. Also, try to avoid having other smaller animals in the tank, like the smaller invertebrates – shrimp, snails, and other similar creatures. Some of the so called shark species like to be alone, such as red tails and rainbows, but balas are absolutely schooling fish. You want to avoid putting smaller, peaceful fish next to the Oscar fish, as they will become prey quickly. Overview. This species was first described in 1831. Click here to read that we've changed our mind about the advice on this page! They also have a fabulous lifespan, often living for up to twenty years, and grow to a massive 12 inches long and sometimes even bigger!