African Brown Knife with African Butterfly Fish?

[AU_Arowana-RG]

Is this possible, or will the ABK eat the ABF?

Also, how can I distinguish an ABK from a young CK, C. Lopis, C. Chitala, N. Notopterus, or C. Blanci?

 

[benzjamin13]

It'll be fine with an African Butterfly. They have a very distinct look to them. They're missing a dorsal fin. That's the biggest difference. All the other Asian/African Knives have dorsal fins. They also have a more rounded out head and are a tan to dark brown color.

 

[aidenb]

it'll be fine, my ck didn't eat my butterfly fish until it was 12" long