05-25-2009, 02:34 AM
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Originally Posted by Byron
Some corys for the bottom level would be OK, in a 55g you can do it right and have a nice group (they should be maintained in groups as they are highly social and shoaling fish by nature), say 12 but no fewer than 6 or 7. Same species or mixed, they fare well, although given the choice they seem to be "chummier" with their own species; I've had good luck with minimum 3 of each species and up to 20+ in a 90g. If you like plecos, there are smallish species that would work. And ottocinclus to handle the algae if you have plants (which the angels would appreciate).
Some types of tetras would be OK, but not the active ones. Angels are quiet almost sedentary fish that like to slowly cruise the environment browsing and grazing plant leaves and wood. Active companions could stress it, or worse cause it to nip at them or eat them, depending upon size (the angel and the tetras). Cardinal tetras are frequently suggested as suitable tankmates for angels, moreso than neons which tend to be seen more as food or sometimes nip the angels' fins. Angels also like warmer water than many "community" fish, and cardinals also do well in warmer temperatures. Rummy nose tetras are the same. Some of the Hyphessobrycon species would work. And if the water pH is 7 or slightly above, livebears are often housed with angels. The fry will get eaten, which is a good source of live food for the angel.
Angels are also social shoaling fish, and a few more would be OK. However, as it has been years since I've bred angels (1980's) I've somewhat forgotten their traits to others if they're used to being alone. I'm sure one of the other members having experience with angels could advise us whether or not it is safe to find yours some companions.
Will cories, rummynose, or cardinals eat angel eggs or fry? I'm working on getting a 50 gallon lined up to do a breeding pair of angels in. I would like to add fish to fill in the tank, but do not want to lose babies.