Picking Semi-Aggressive Fish - Tropical Fish Keeping - Aquarium fish care and resources
 
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post #1 of 7 Old 11-12-2012, 06:25 PM Thread Starter
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Picking Semi-Aggressive Fish

I'm new here, and still getting use to navigating around the website.
Anyway, I already have a 10gl tropical planted tank and since black friday is coming soon I want to get a 20gl tank with semi-aggressive fish. The only problem is, idk what fish would be compatible with each other. Any suggestions on what mix of fishes to get?
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post #2 of 7 Old 11-12-2012, 11:17 PM
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post #3 of 7 Old 11-13-2012, 02:06 PM
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You could put together a list of fish you would like and then check them against the fish profiles tab shown second from the left below the site (TROPICAL FISH KEEPING) title. This is very good info and everyone should refer to it before acquiring new fish/creatures/plants.

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post #4 of 7 Old 11-14-2012, 05:24 PM
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Welcome to Tropical Fish Keeping forum.

"Aggressive" can have a different meaning for different people. The fish profiles mentioned previously will help you define that. Also remember that while it may seem "large" to us, a 20g is a very small space when it comes to interactions between fish. Any sort of aggression between fish will usually mean stressed fish and that means sick fish and premature death.

If you have questions from the profiles, as I'm sure you will, ask away. There's lots of experience among our members.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #5 of 7 Old 11-14-2012, 10:12 PM Thread Starter
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Originally Posted by Byron View Post
Welcome to Tropical Fish Keeping forum.

"Aggressive" can have a different meaning for different people. The fish profiles mentioned previously will help you define that. Also remember that while it may seem "large" to us, a 20g is a very small space when it comes to interactions between fish. Any sort of aggression between fish will usually mean stressed fish and that means sick fish and premature death.

If you have questions from the profiles, as I'm sure you will, ask away. There's lots of experience among our members.

Byron.
I'll keep that in mind, thanks!
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post #6 of 7 Old 11-14-2012, 10:25 PM Thread Starter
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I looked at the freshwater fish and I like the mollies, swordtail, cichlids, angelfish, sharks(Rainbow shark for example) and rams. Are any of these compatible with each other?
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post #7 of 7 Old 11-15-2012, 12:06 PM
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Originally Posted by CeeTropical View Post
I looked at the freshwater fish and I like the mollies, swordtail, cichlids, angelfish, sharks(Rainbow shark for example) and rams. Are any of these compatible with each other?
The quick answser, in a 20g, is no. And aside from this, if a larger tank were under consideration, we are back to water parameters being different for some of these so they are not compatible.

From this list, and depending upon your water parameters, a bonded pair of rams would work. There is the common Blue Ram and the Bolivian Ram. The profiles explain the issues with each, and water param requirements.

Depending what "cichlids" may refer to, possibly. A pair or harem of one of the South American dwarf species with some dither fish could work, if you have soft water. A group of "shellies" from the African rift lake cichlids could work in hard water. But nothing else in a 20g from the cichlid group.

A smallo group of mollies if the water is medium hard to hard and basic in pH. Swordtails get too large for a 20g.

Byron.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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