Holothuria fuscopunctata is not the primary subject of the video clip; the primary subject is Periclimenes imperator (Emperor shrimp). South Pacific Ocean, Duration 25 seconds
If you look real close, you'll see the "teats." Those are actually tube feet. There are A LOT of sea cucumbers in the shallows around Kauai. And big ones. This one was only about 15 cm or so, but the biggest cukes I saw were about half a meter.
Holothuria fuscopunctata is not the primary subject of the video clip; the primary subject is Ophiothrix sp. 1 (unidentified cucumber brittle star). South Pacific Ocean, Duration 16 seconds