Can you give us an approximate size in inches of the fish? It could be a small cory cat or a bigger cat and we would need to know the size to determine it. Cories could be Sterbas or a host of other with leopard like markings.
I got 2 of them. One is about 7 inches long and the other is 4 to 5 inches long. The smaller one is going to go in a 30 Gallon tank I am getting for the African Cichlids I have and the bigger one is staying in the 55 gallon tank. I'll get a better picture when I get home. It's look allot like that picture Susankat, but the big ones markings are a bit darker and more like patches then spots.
That wouldn't be unusual for them to be somewhat different in markings. But will say they will be to big for the 30 with cichlids as you will find they are major waste producers. And with one in the tank it will give you less room for any other fish.
I've have seen some in a 55 that couldn't lay front to back as they are longer than the tank is wide. Also the bigger they get, the lazier they get. and also start knocking plants and deco over just to get around the tank.
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