Fenestratus & Convict, Like oil and water.

These guys absolutely despise eachother. The convict just grew all his fins back from the fenestratus ripping them to shreds. Now that Ive set the tanks up like this they spend most of their time eating and fighting through the glass. They are funny. Much safer this way. The fene is just relentless.

Anybody know any an tell-tale signs of sexing a blackbelt? Im having a hard time with this one, but it is still young. Good shots at 1:10 in the video. Its vent looks like an upside U, which confuses me.
Im power-feeding the Blackbelt to get it to a size to defend itself against the fene. If im lucky the BB will be female, then I can create some Pink Belts
Enjoy.
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Gruff Master;4496514; said:

Funny vid! That's a brave Convict. My Fenes are pretty laid back. My largest one can be hard on the smaller one sometimes but they are both usually very placid. My Syn runs the tank.

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Haha just wait. My Fene use to be a great community fish, until he learned what aggression was. Any fish that isnt bigger than he is he will stalk, attack, and eliminate. Relentlessly. He has an absolutely amazing personality so I could never get rid of him.
How are your little Fenes coming along Gruff? They turn pink yet or are they the normal variant?