yes
No betta fish cannot survive with a calla lily because the plant is basically poisoning the fish
Betta fish are best as a solitary fish and are not compatible with goldfish.
No, betta fish are best as solitary fish, and unless they are going to mate, they do not swim together
It should be fine.
Yes they just touch the Betta fish to paralyze it and then eat.
Go to petsmart and ask a person there to show you witch is best for your baby betta fish.
No, it is not safe for cats to eat betta fish. Betta fish contain toxins from their skin that can be harmful to cats if ingested. It is best to keep the two animals separated to ensure their safety.
Into water, yes. Land, probably.
The best candidates are Betta fish and Paradise Gouramis
A Siamese fighting fish/betta? Yes! They cannot survive in salt water.
It is common to have around 200 fry from a single spawning.