A little help with my first aquarium (21l/5.5g) - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
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post #11 of 14 Old 06-10-2011, 11:25 AM
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Originally Posted by SinCrisis View Post
That is extreme overstocking. Those fish will eventually be stunted internally, which may cause the fish to bleed internally and die prematurely. I would recommend you get a larger tank for those fish ASAP.

Anubias plant can be planted in the gravel, but you must keep the rhizome above the gravel. I see that one of your anubias is planted ok, but the one next to it is planted too deep (left one). 5g tanks with proper filtration can house a healthy population of shrimp or snails. It can also house 1 betta as excal mentioned. It will also be suitable for 1 dwarf puffer (if your willing to do the extra work to keep one). 5g tanks can also be used to house 1-2 guppies as long as the fry population is kept in check. Beyond that, 5g tanks have limited stocking options.
Transferred the 3 largest molllies.
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post #12 of 14 Old 06-10-2011, 12:00 PM
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Welcome to Tropical Fish Keeping forum. Nice to have you with us.

I agree with what has beeen suggested re fish, that in your 5g you can have a single Betta but no other fish with it; or a group of 7-8 of one of the "dwarf" species that redchigh mentioned, subject to your water parameters. You are correct on the combo issue, I don't think redchigh meant guppies/Betta together but "either or."

Your gravel is fine, very good size in fact, and a nice shade, darkish. Excellent.

The Anubias is vulnerable to brush algae, due to its low light requirement, thick leaves, and being very slow growing. Otos will not eat this algae anyway, nothing will in fact (except a fish that is way too big for your 5g so I won't even mention it). You might want to limit/reduce the light over the tank. If you tell me what it is, I can suggest something. Daylight in the room also has to be considered.

Anubias is very low light requiring. One good idea is to have floating plants. Especially good with the fish we have been mentioning, plus floating plants reduce the light and Anubias love growing in the shade provided by floating plants, and floaters filter the water well because they are fast growing.

Anubias will do well attached to rock or wood, as long as the rhizome is not buried as someone mentioned.


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 #13 of 14 Old 06-10-2011, 01:17 PM
Amano shrimp are known to graze on brush algae as well. Not good for the 5g though.
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post #14 of 14 Old 06-10-2011, 05:20 PM
Also, for fish, you can probably get away with a few Pygmy Cory catfish.
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