This is not a red golf ball. A mushroom coral with polyps retracted.
Image ID: expl0893, Voyage To Inner Space - Exploring the Seas With NOAA Collect
Location: California, Davidson Seamount
Photo Date: 2002 May 19
Credit: NOAA/Monterey Bay Aquarium Research Institute
Category: Ocean exploration/Invertebrates/Deep sea coral/
• High Resolution Photo Available