Who Gives A Fish Forums

Agreed. Breeding behavior escalates territoriality. If you're attached to the pair, prioritize upgrading. Otherwise, rehoming one Angel might balance the tank. The Tetras and Corys are fine as-is.

I've got a 30 gallon tank with 10 Neon Tetras, 5 Corydoras, and a pair of Angelfish. Running a Fluval 307 canister filter, weekly 25% water changes, and parameters are stable at 0 ammonia, 0 nitrite, 10 nitrate. The Angelfish seem a bit territorial lately. Am I pushing it?


Your stocking isn't ...

Your bioload is manageable with the current filtration and maintenance, but Angelfish need more horizontal space as they grow. A 30 gallon is borderline for a pair long-term. Are they juveniles? If they're over 3 inches, consider upgrading or rehoming one.

Thanks for the insight, I did get told by a few local stores that with the tank size it should be alright, but I'll hang on a bit until the little ones are a bit bigger, don't want to risk missing any as they're tiny at the moment.

Hi everyone,

I've got a 500 litre community tank with a mix of fish - 2 Brichardis, 2 Kribs, 2 Angel Fish, various tetras, neptunes, and Mollies.

I rearranged the tank about a week ago, moving bogwood and plants around, and then last night I made a pretty surprising discovery - the Brichardis have ...