Those pics are taken when the fish is in full 'display' mode; they get them to do it either by putting two fish in tanks next to each other, or by showing the fish it's own reflection in a mirror, which they think is another male![]()
Yep, that's it. But it is not good for them to always be like that because if it goes on for too long, it can stress them. Some people consider showing a male Betta another male or its own reflection for about 5 minutes per day to be good for it, but not for much longer.Those pics are taken when the fish is in full 'display' mode; they get them to do it either by putting two fish in tanks next to each other, or by showing the fish it's own reflection in a mirror, which they think is another male![]()
Ah so that's why. Thanks