06-28-2011, 07:53 PM
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Originally Posted by Byron
The Blue and Opaline are exactly the same species. So is the Gold, Cosby, Three-Spot. These are simply colour varieties, as is explained in our profile of the species, Trichopodus trichopterus. There are even photos of the varieties included.
As for aggression, it is more likely just the fish. The species as a whole exhibits normal gourami behaviour, and that means the males will be territorial and thus somewhat aggressive to other males, sometimes to females, sometimes to other fish they take a dislike too for some reason.
Those darn males.
Lucky I got a female, I guess. She is a doll and makes me appreciate the species all the more. Might not feel the same if the only one I have had was aggressive like my Gold one was. I just like everyone to get along.