Probably because it's dead and going rotten.
-white fins not moving -gills not moving - sink at the bottom of the pool - may smell
The white fins wont be moving and they will be at the bottom of the tank
other Betta fish and the bigger fish.
Betta fish do not eat fish.
No betta fish are carnivores.
No, they will not fight. Bettas are normally a very slow moving, peacefull fish. A male Betta will only fight with another male Betta. The crayfish (depending upon its species) is likely to rip pieces off the Betta and maybe kill and eat it too.
Well, if you love your Betta fish, then it should live by itself. But if you add another Betta to your current Betta fish's tank, then they will start a fight because Betta Fish are Siamese fighting fish and if one Betta is in contact of another Betta, the possible reason would be a fight between them two.
A betta is a fish of the species Betta, especially Betta splendens, commonly known as the Siamese fighting fish.
yes
Sure we have betta fish in cuba
betta fish are specifically bred for fighting
No. Betta fish will attack each other no matter the sex.