No, you can't get sick because fish disease can not transfer to a human. Therefore just wash your hands properly after handling a fish or touching one.
Betta fish change color by there environment and the types of food that you feed it. If your Betta fish is loosing color that means that your Betta is sick.
it will be sick but if it continues then your betta will die.
A sick one.
if they aren't active
Yes. Betta Fish do change their coloer every now and then. Or if you have a male, he will change his coloer if hes chaseing a female Betta Fish. Or if he sees another male Betta Fish.
Betta fish grow paler and less active when they are sick or old.
When the betta fish feels threatened it flars opens its gils and frightens away the other fish.
Yes, a snail can potentially harm a betta fish by carrying diseases or parasites that could make the fish sick or even kill it. It is important to monitor the health of both the snail and the betta fish to prevent any harm.
None of them, you sick freak. Keep your fish seperate.
It dies or it gets better. Depends on if you treat it or not.
Cut it up and eat it - put it out of its misery.
No that means your fish is depressed or feeling sick search betta sicknesses to see if she matches the symptoms. Remember your betta must come up for air, if she doesn't that could be trouble