Betta fish can be from 2 to 4 inches long when fully grown.
A body length of around 2.5 inches is a well grown male.
A betta fish is anywhere from 1 to 2 inches.
Bettas are not a sport fish so records of size have never been kept. A well grown male Betta has a body length of around 3 inches.
a betta bowl is about 12-15 inches in length and about the same in height
Betta fish grow to be an average of 2 inches from head to the beginning of the tail.
a long time
Depends what fish you have, if the fish are colourful and have long fins then it'll probably bite it to death, every betta is different.
A Male Betta will grow to about 2.5inches of body length and a Female will grow to about 2 inches of body length. A Betta is fully grown at about 6 to 8 months a Betta is very old at 30 to 36 months.
No betta fish are carnivores.
other Betta fish and the bigger fish.
Betta fish do not eat fish.
Bettas are dumb as rocks. If you put another betta, any other anabantid like a gourami, or any long-finned fish in with a betta, the betta will fight it because he will think it's another betta. If you put a short-finned fish in with your betta, they'll live together peacefully.