This holothurian, Pannychia moseleyi or Moseley's sea cucumber, measured almost 40 centimeters (16 inches) in length! It was seen at a depth of 1,814 meters (5,951 feet) during Dive 05 of the 2023 Shakedown + EXPRESS West Coast Exploration expedition.
Moseley's Sea Cucumber
Image courtesy of NOAA Ocean Exploration, 2023 Shakedown + EXPRESS West Coast Exploration. Download larger version (jpg, 1.06 MB).

This holothurian, Pannychia moseleyi or Moseley's sea cucumber, measured almost 40 centimeters (16 inches) in length! It was seen at a depth of 1,814 meters (5,951 feet) during Dive 05 of the 2023 Shakedown + EXPRESS West Coast Exploration expedition.