The males have long flowing fins and the females have short fins. The males are the "pretty ones" and the ones that are most commonly sold in pet stores.
When it is floating not swimming.
Simple observation. You will either see them fighting or see the damage on the fish that indicates they have been fighting.
Exactly as you spelled it in your question; a Betta fish is also known as a Siamese Fighting Fish.it is spelled "Betta", or its other name, "Siamese Fighting Fish." I know alot about Betta's. :D
No, fighting fish (Bettas) are only interested in fighting with other fighting fish.
Of course they can. How else would we have fighting fish.
I do not know. I would highly consider asking you local fish veterinarian.
'Japanese fighting fish' 'Chinese fighting fish' 'Siamese fighting fish' and 'Betta' are all names given to the 'Betta splendens'.
If your fish is a fighting fish it will be still for most of the day and probably attack another fish who wanders into his "territory". Fighting fish often come in bright colours like red or blue. But some fish are just naturally aggressive and hurt or kill your other fish! {trust me I've experienced this } It's very important to know the difference between a aggressive fish and a fighting fish. If you still can't tell talk to your local pet store or talk to an expert.
Siamese fighting fish come from the tropical islands of Asia and are nothing special to China. The only connection is in the simple fact that so many people do not know their geography and have Siam, (Which is now Thailand), Indonesia and Malaysia mixed up and call the fish "Chinese fighting fish" in error.
Fighting Fish do eat each other so, yes
Well, I don't know for sure... But it is animal cruelty! How would you like to fight to the death for someone else's please! Please THINK and USE your BRAIN. p.s. I have a betta named Frodo lol.
Most fish are incapable of changing gender.