Close-up of photoreceptors of crab collected
from 1800 feet. The enormous size of these eyes suggests that they are
adapted for extremely high sensitivity to light.
Image ID: expl0438, Voyage To Inner Space - Exploring the Seas With NOAA Collect Location: Gulf of Mexico Photo Date: 2005 August 21 Photographer: Dr. Tamara Frank Credit: Operation Deep Scope 2005 Expedition: NOAA Office of Ocean Exploration