Actinopterygii are all the bony, ray-finned fishes. These well adapted and successful aquatic organisms have occupied almost every conceivable aquatic crack on earth. They are equally well suited to marine aswell as freshwater habitats. The ray-finned fishes represent the largest single group of bony fish, with more then twenty-thousand passed away species. In their habitats, they live as carnivores, herbivores, parasites and even scavengers. Some of their more successful then the others.
Actinopterygii
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