Will angel and goldfish leave together and how to maintain an angel fish in aquarium?
Live together? No. Goldfish are cold water fish, Angelfish are tropical, (warm water) fish. Angelfish need a cycled aquarium of at least 29-gallons for a single fish, no less than 40-gallons for a pair. Of course, they require a heater and filtration, and need to be added only to fully cycled aquariums. Goldfish need 20-gallons for a single Fancy variety, plus 10 additional gallons per extra fish. Comet/Feeder/Common Goldfish need 55-gallons for one, 20 more gallons for each addition. All Goldfish need filtration rated for at least 2x the aquarium’s volume. Again, as with all fish, they need a cycled aquarium.