Open sores, parasitic infections, gashes and shrimp with no eyes: The sick fish in the Gulf two years after the BP oil spill

Open sores. Parasitic infections. Chewed-up-looking fins. Gashes. Mysterious black streaks.

Two years after the drilling-rig explosion that touched off the biggest offshore oil spill in U.S. history, scientists are beginning to suspect that fish in the Gulf of Mexico are suffering the effects of the petroleum.

The evidence is nowhere near conclusive. But if those suspicions prove correct, it could mean that the environmental damage to the Gulf from the BP disaster is still unfolding and the picture isn't as rosy as it might have seemed just a year ago.

And the damage may extend well beyond fish. In the past year, research has emerged showing deep-water coral, seaweed beds, dolphins, mangroves and other species of plants and animals are suffering.

'There is lots of circumstantial evidence that something is still awry,' said Christopher D'Elia, dean of Louisiana State University's School of the Coast and Environment. 'On the whole, it is not as much environmental damage as originally projected. Doesn't mean there is none.' Read More