I disagree, an angel obviously can't go into a 10, and 2 angels in a 20 isn't going to work either.
actually.. I believe ponderinginky was stating general rules...
10 gallons per adult angel is the general rule for fitting angels to tanks..caveat is usually put in (like minimum 29 gallon)
but breeders often use 20 talls for breeding pairs of angels. remember tho , this is a breeding pair and the only inhabitants of the tank.
for a display tank.. different set of rules..IMO, a 29, or in this case a taller 30 would work great.
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