Ray finned. Ray fins look like a paper fan. Whereas lobe fins look more like stubby little legs.
http://en.wikipedia.org/wiki/Actinopterygii They are ray-finned. Search for 'perch' on that page and it says on there =]
They are a tropical ray-finned fish.
the fins
Most fish are Ray Finned. Including the Goldfish and just about every fish you see in a pet shop.
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