You can try getting them a larger cage or having them spend more time together outside of the cage, also make sure everyone has their own food and water dishes. In all reality though, parakeets (I'm assuming you're talking about budgies?) are much m...

Adding on to that rule of thumb, goldfish usually require about 1" per 2 gals. due to their high waste output and it's usually recommended for African cichlids to give them 1" per 5 gals. due to their territorial tendencies.

However, many ...