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One Oscar needs around 20 Gals. Two can survive in about 30 gals. If you wish to rear Oscars you will need at least 5 young fish to avoid deaths from bullying and you will need to house them in at least a 50 Gallon tank.

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βˆ™ 14y ago
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βˆ™ 12y ago

They are medium size now but they will grow so best to get the right size tank for them now so you are not buying 2 or 3, for 2 full grown Oscars its good to give them each about 30 gals each, so for them to do well and live longer go for a 50-60 gal tank

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Q: What size tank should you keep an Oscar fish in?
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How big should a Oscar fish tank be?

It depends on what size you have. You can have upto 1inch of fish for each U.S. gallon.


Do Oscar kill other Oscar if they are in the same tank?

Young Oscars should be kept in groups of 5 or more of a similar size to avoid too much bullying pressure being put on one fish. The weakest fish will be killed if there are less.


Does Oscar fish and tinfoil fish live together?

They should be OK together if they are about the same size and you have a large tank (Over 50gals) set up. If you have a pair of Oscars and they decide to breed you will have to remove all other fish.


Why should fishing be limited?

It should be limited so there will always be fish to caught in the future. The problem is that commercial size limits are a lot smaller than the size recreation fisherman are allowed to keep. Commercial fishing also wastes alot of fish in the form of by-catch (fish species they can't keep/don't want) death.


What species of fish are small in size?

# Chinese Fighter Fish (this fish will kill any fish it comes contact w/. hence the name) # Goldfish # Cleaner (Oscar) Fish # "Ghost" Fish


What size cage should i keep my hermit crab in?

a small cage, like a plastic fish tank with rocks


Introducing Oscar fish when i already have 1 but he or she keeps killing them?

Whenever introducing new aggressive fish you should do a large water change and rearrange the tank to eliminate territorial issues. in cases with extreme size disparities the larger fish should be removed and re-introduced after 1-2 days. keeping the tank in darkness can assist this process. The fish will usually fight initially and it is wise to keep an eye on them so you can decide whether one has cannot keep up. lip locking is not necessarily a bad sign, it shows that both fish seek dominance.


What should your fish be in?

If the fish is a coldwater species like a Goldfish it should really be in a pond. If the fish is tropical then it should be in an Aquarium. The size of the aquarium depends on the size and quantity of fish you wish to keep. The basic rule for keeping any fish healthy is "1 inch of fish needs at least 1 gallon of water , a cycled filter running full time and a 50% water change every week."


What size of tank should a battea fish use?

A minimal tank size of 2.5 gallons is recommended for a single Betta fish.


How long should baby fish be separated from adult fish?

It is best to keep them separated for one month. After that month has gone by, compare the frys body size to the mom and dads mouth. If they are big enough you can release them into the aquarium. If not, keep them isolated for another month or so.


Are convict fish aggressive to Oscar fish?

Convicts are territorial, especially in breeding pairs. While Oscars can be imposing and destructive, they are more hungry than they are aggressive. If the Oscar is small, Around the size of the convict, it may be bullied to death. And if the Oscar is full-sized, it will most likely eat the convict. In short, don’t do it.πŸ˜…


Is the silver dollar fish compatible with a baby tiger Oscar?

very much so, best companion Ive found for my oscar, I have 4 in with my tiger oscar, they stay out of his way if he has a tantrum, and he swims with them at times. I removed them once and put them in a different tank, and my oscar got so depressed I had to move them back. Silver dollars do get to a good size, make sure you have room, they are schooling fish so you need 3 or 4+.