Hey all,
Im a BGK keeper, I have 3 (2 medium, 1 small) Knives in a 4ft tank, in that tank i also keep: 1x Elephant Nose Fish, 4x Widow Tetras, 3x Salmon Tail Catfish, 2x Bristlenose Catfish, and 12x Glass Bloodfin Tetras.
The tank is one big happy family with the Elephant Nose as the boss fish and guardian to my small BGK, there's never complaints over food they all share.
On the topic of BGK's mine are always roaming the tank day and night, I feed them flakes in the morning and they love and bloodworm in the evening.
I am also starting to hand feed them in my tank. As for what people say about never keeping more then one per tank i couldnt agree less. my two medium BGK's had a bit of a tiff when i released them into the tank as they had just come over from Singapore, now there friends and hang around the tank together.
But as for the rest of the fish they have their places around the tank, as long as they dont go into the Elephant Nose hole they all leave each other alone.
Hopefully i can get a picture of them to post ya's soon, but if anyone has any knowledge on breeding the BGK's as i wish to start them breading when I get a bigger tank that would be greatfull.