Blue dolphin (cyrtocara moorii) behavior

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daveunkefer

Jack Dempsey
MFK Member
Apr 8, 2013
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Alliance Ohio
I have a 125 gallon tank with 8 blue dolphins in it,trying to get a pair or two.

6 of them are 4+ inches. The largest being around 6 inches.

They've been in the tank together for about 2-3 weeks now. And today I noticed two fighting intense. Water even splashed a couple times. One out of the two turned dark blue. And this one seemed to be chasing every other dolphin in the tank to an extent.

Is this breeding behavior?? Or is it just an angry dolphin?? I don't really know how to tell the sex of them. I heard that males anal fins are more pointed and females are rounded.

Any suggestions as to sexing them? Or how to tell if they have paired up at all? Or if they are just battling to the death??


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Thanks a lot! Its getting there, still working out stock. Theres a lot of super red sevs in there. growing them out a bit to pick a pair to keep. Id like to get the blue dolphins in their own tank and get to breeding.... but again i dont even know where to start.
 
Speaking of the sevs. There seems to be 2 different types. The "high back" ones, and the longer shaped ones. Pretty much the same size, but different shape. Could this be male/female difference??


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