betta fish help

I have a 10 gallon tank. With 3 glofish, 6 tetras, 3 fansytail guppies and my late Betta. I have a good filtration system, a heater to regulate the temperature, and an air pump to keep the water oxygenated. At first he kept to himself in one corner of the tank, later when he discovered he didn't...

my new crowntailed betta is in his new home. its a 15 gallon tank. i have a whisper water filter and he got STUCK ON THE INTAKE. i made it home and saved him but how can i fix this problem??? PLEASE HELP