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You could have an Oscar tank containing 1 oscar (can reach over a foot) with a convict cichlid. Convicts grow to about 6 inches in length and are still tough enough if they are getting bullied by the Oscar, but generally small enough as not to be a large threat to the oscar. Silver Dollars are also a good choice to go with an Oscar. Instead of a convict you could have a Firemouth cichlid. I have kept these and they will reach about 6 inches in length, but are still big enough to hold their own against an Oscar. If you want a really agressive fish you could get a Midas cichlid. These extremely agressive fish can reach a foot in length, but you would want to give him the whole tank to himself because he would attack any other fish with him. You could try some smaller cichlids with him, but its hot or miss whether he will accept them. Another agressive fish would be the Jack Dempsey. These guys grow about 8 to 10 inches and can be agressive with other fish in the tank, the same goes with the Green Terror cichlid. Basically cichlids are the way to go with agressive fish, so do some research on any one in particular you find interesting. Good Luck!
What else can I help you with?
What semi-aggressive fish would be good for a tall 40 gallon tank?
Jack Dempsey or Tiger Oscar
Can seven neon tetras and three guppies live in a 20 gallon tank?
Well, it depends on their size. From what I've heard, you can put one inch of fish into a tank per gallon, so: 5 one inch fishes of 1 five inch fish etc. It doesn't matter about the fish unless some are aggressive and the others are not.
What is the wide is a 55 gallon fish tank?
length and width for a 55 gallon fish tank
Are betta fish aggressive towards other fish in a community tank?
Yes, betta fish are known to be aggressive towards other fish in a community tank, especially towards fish with similar colors or long fins. It is recommended to keep bettas in a tank by themselves or with non-aggressive tank mates.
What fish can you put in a five gallon tank?
you can put a betta in a 5 gallon tank
What are some suitable small bottom feeder fish for a 5-gallon tank?
Some suitable small bottom feeder fish for a 5-gallon tank include dwarf shrimp, pygmy corydoras, and otocinclus catfish.
Can a 5 gallon fish tank fit on a school desk?
You can fit a 5 gallon fish tank on a school going desk.
i have 150 gallon Fish Tank, size 20"x66" to cover it. please reply me.?
In that 150 gallon fish tank try to put fish and maintain it
How much gravel for a 200 gallon fish tank?
How much gravel for 200 gallon tank
What are some suitable bottom feeder fish options for a 5-gallon tank?
Some suitable bottom feeder fish options for a 5-gallon tank include dwarf shrimp, snails, and small catfish species like pygmy corydoras or otocinclus catfish. These fish can help keep the tank clean by eating algae and leftover food from the bottom of the tank.
What are some good long living fresh water fish for a 20 gallon tank?
Betta fish, guppies, tetras.
1 gallon tank what type of fish can you put in it?
A 1 gallon tank could have one betta fish, but you will need to be diligent about changing the water on a regular basis. The smallest tank that should be used, even for a betta, is a 2.5 gallon tank as it at least gives the fish swimming room.
