Pond Boss Forums INTRO Questions & Observations HBG in 10 gallon aquarium?

Any temp near room temp, warm enough for the tilapia, will be fine for HBG.

They will eat a vast array of different stuff: virtually any aquarium fish food, commerical fish feed meant for pond use, freshly killed houseflies, earthworms, crickets, mealworms, very small goldfish (fun to watch). IF you feed them a lot, they will grow noticeably (as would the tilapia, I am sure).

3-4 HBG along with the tilapia should give room for some modest growth IMHO. OTOH if fed to satiation, a couple of HBG by themselves would grow large enough in 6 months to tax a 10 gallon tanks capabilities.

I don't think you will have trouble with them jumping out in low numbers. Maybe if they were overcrowded it might result from aggression (???).