Male left, female right. They are guarding eggs in that picture.and HercrenVie, which sex is which bartoni in your pic.
Male left, female right. They are guarding eggs in that picture.and HercrenVie, which sex is which bartoni in your pic.
Duanes here is a side profile of the previously posted Cuban. Very male in my book
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I think it's important to note in most of the fish posted here I've seen sub dominant males look female, I've seen proven males with black blotches on the dorsal... Don't assume it's 100% just based on visual characteristics.