This ocean clipart set is great for ocean, reef, and tropical themes featuring 64 sea life images, including full color and printer friendly black and white:
Seahorses (multiple colors)
Generic Fish (multiple colors)
Jellyfish (2 colors)
Starfish (multiple colors)
Coral (multiple varieties and colors)
Ocean Scene (JPEG)
63 PNG plus 1 JPEG image total!
UPDATE!! Added separate rock images to help you create your own reef, coral, or ocean scene! 6 additional PNG images!