Salp, influencers on the planet's climate

Previously I have been told that these were shark eggs but our dive guide told us it is a colony of individuals of an independent species called salp, many times more developed than jellyfish and more closely related to vertebrates.
Nearby Photos
Also By Lars Plougmann
Nearby Dive Sites
Thomas Reef 71 m
Canyon 268 m
Gordon Reef 1.1 km
Woodhouse Reef 1.3 km
Woodhouse Reef West 1.6 km