Richard Black
Source: BBC News
May 31, 2011

"Clownfish, the spectacular tropical species featured in the movie Finding Nemo, appear to lose their hearing in water slightly more acidic than normal.

At levels of acidity that may be common by the end of the century, the fish did not respond to the sounds of predators.

The oceans are becoming more acidic because they absorb much of the CO2 that humanity puts into the atmosphere.

Scientists write in the journal Biology Letters that failing to move away from danger would hurt the fish's survival."

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