Betta splendens are insectivores. They really enjoy eating mosquito larvae, daphnia, cyclops and other live foods and these should be included in their diet.
You can feed them most fish food, they aren't picky like betas.
Betas are brown in the wild because some Betas live in mud, and feed off of flys and small insect's. Betas are livebearers. Betas also somtimes eat other fish.
they do not eat anything else besides fish, tuna, squid, and other crusances.
no. betas don't get along with any fish, even with other betas. they will kill each other.
Lungs!
Ospreys feed almost entirely on fish, plucked from the water.
chicken
depends if the bigger fish is aggressive
Yes
yupers
Labyrinth fish such as gouramis and betas.
Yes, betas can coexist with other fish in the same tank, but it is important to choose tank mates carefully to ensure compatibility and prevent aggression.