Among the myriad creatures that populate our ocean, some stand out as having an outsized impact on the marine environment—shaping and maintaining habitats that themselves sustain countless other forms ...

Time-lapse video shows how a mushroom coral polyp pulses and inflates, flinging its soft body into micro-hops to slowly move itself to a new location.

There they metamorphose, like a caterpillar to a butterfly, into a coral polyp. Those polyps clone themselves over and over again, eventually forming larger coral colonies that build reefs.

Larvae mature into polyps, which will then bud off and mature ... Jellyfish belong to a group called Cnidaria, which also includes sea anemones and corals. As animals, they are subject to the cycle of ...

In the reef-building "hard corals", the polyps sit in a carbonate coral skeleton ... on coral reefs for at least one stage of its life cycle – so they populate the oceans far beyond the ...

Jellyfish belong to the same phylum as rough coral and squiggly sea ... this jellyfish can revert to its polyp stage, essentially starting its life cycle over again. The immortal jellyfish's ...

“Just when we think there is nothing left to discover on planet Earth, we find a massive coral made of nearly one billion little polyps, pulsing with life and colour,” marine ecologist Enric ...