860-291053 - Salps, also known colloquially as ?sea grape?) or salpa, salpae or salpas is a barrel-shaped, planktic tunicate. Antarctic Peninsula, Antarctica
1350-6260 - A diver watches in awe a dense soup of tunicates aggregated by very special sea conditions. This picture was taken during a special event occurred on April 2019 in the Strait of Messina, when special conditions of weather, sea currents and moon phases brought close to surface a lot of pelagic subjects, including a few usually living very deep.
860-286685 - Pyrosomes, colony hundreds to thousands individuals called zooids, cloned from one egg and bound together, Mirissa, Sri Lanka, Indian Ocean
920-239 - Blue sea star (Linckia laevigata) shares the reef with sponges, feather stars and coral, Apo Island marine reserve, Philippines, Visayan sea, Southeast Asia, Asia