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hi. i was thinking of getting another fish for my tank, preferably a center piece fish. i have a 20 long tank with 3 tiger barbs and 3 cherry barbs. i also have a ghost shrimp or 2 ( they latched a ride in the bag my rosies came in). i was wondering if maybe a red tail shark was a good idea. they look so nice and they would look good against my black gravel. seeing as i only have a 20 long, I'm not sure if he'll have enough space. will he? if not, help me decide on another center piece fish i could get. I'm planning to plant my tank really soon with some easy care plants such as dwarf anubias and some java moss & fern. maybe some dwarf hairgrass too (maybe). can you guys help me decide? thanks for the help.
Maybe some type of dwarf cichlid.
20 gallon long: 3 adult Neolamprologus similis + about 11 fry of various ages; low light planted tank
20 gallon long:2 freshwater dwarf puffers (Puff Puff and Poofer); medium-light planted tank
10 gallon: 1 male betta named Wormy; low light planted tank
10 gallon: 1 male betta named Dante; low light planted tank
2, 5.5 gallon tanks that are currently empty (I see more fish on the horizon )
I'd recommend against a shark in a 20 gallon tank. Rainbow, albino, and red tailed sharks all get into the 6"+ size range and a 20 gallon tank would be cramped for them. A dwarf cichlid might be more at home in your tank, such as a german blue ram. They get to about 2" or so.
Watch my tank progress from Craigslist salvage to fishy habitat: Aaron's Tank
The only things that happen quickly in an aquarium are bad things.
Provided you have large enough schools of the barbs, you should be fine. Also, any sort of cichlid knows how to defend itself and wouldn't take kindly to fin-nipping (well, maybe not angels...they're kind of pansies). For example, I recently added a jewel cichlid to my 20g with my tiger barbs. They tried to nip his tail...once. They've since learned their lesson. This fish is smaller than all but one of the barbs, too.
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