It looked more aloof than weary, flowing like a shadow over the turtle grass, gray above green.

Thalassia testudinum, commonly known as turtle grass, is a species of marine seagrass.

Unusually for the marine environment, turtle grass is a flowering plant.

Both species are similar in habits and feed principally on seaweed and other marine plants, especially the turtle grass.

At first the turtle grass tickled her toes, then it began to sting.

Then, the leader parted and my big tarpon slid over some dark turtle grass and disappeared.

Periodically, the school would rush forward, probably to fight over some hapless shrimp they cornered in the turtle grass.

Soon the tide was rising, bending the turtle grass in the current as it flowed shoreward.

The turtle grass is dead or dying.

For one thing, he said, it is clear that turtle grass is continuing to die in areas not stressed by high salinity.