Swimming sea cucumbers like Enypniastes eximia have a special 'flap' which they use to lift' themselves off the seafloor. The transparent body reveals the sediment filled intestine looping around from the mouth (top) to the anus (bottom).
Sea Cucumber
Image courtesy of the NOAA Office of Ocean Exploration and Research, Exploring Deep-sea Habitats off Puerto Rico and the U.S. Virgin Islands. Download larger version (jpg, 1.1 MB).
Swimming sea cucumbers like Enypniastes eximia have a special 'flap' which they use to 'lift' themselves off the seafloor. The transparent body reveals the sediment filled intestine looping around from the mouth (top) to the anus (bottom).
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