A colony with bright color and full branches with many extended polyps would be considered healthy or in good condition. The red lasers (red dots in the photo) are ten centimeters apart and are used for scale and age estimates.

A colony with bright color and full branches with many extended polyps would be considered healthy or in good condition. The red lasers (red dots in the photo) are 10 centimeters apart and are used for scale and age estimates. Image courtesy of NOAA Okeanos Explorer Program, 2013 Northeast U.S. Canyons Expedition.

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Related Links

Northeast U.S. Canyons Expedition 2013: August 5 Log

Northeast U.S. Canyons Expedition 2013

NOAA Ship Okeanos Explorer