Another creature found its way to the Gowanus Canal back in 2007, also with an unhappy ending.

WSJ: Dolphin Dies in Gowanus

New York (CNN) -- A dolphin stranded in Brooklyn's highly polluted Gowanus Canal on Friday has died, according to the Riverhead Foundation.

CNN: Rescuers: Dolphin stranded in polluted New York canal dies

In New York, Scape Studio has proposed to use the oyster's natural cleaning ability to help clean up the contaminated waters of the Gowanus Canal.

ENGADGET: Inhabitat's Week in Green: fluorescent bulb moon, fuel-efficient supersonic jet and a toxin-eating oyster park