“Kissing” Corals

Source discovermagazine.com

You don’t have to be a romantic to appreciate the underwater rainbow canvas that is a coral reef and marvel at the fact that these organisms have been spotted exchanging an underwater embrace, a behavior researchers have termed “polyp kissing.”

A first-of-its-kind underwater microscope that can observe coral polyps at resolutions of up to 2 micrometers while still remaining a safe distance away allowed marine biologists to watch coral behavior in real time. Not only did they see two species of coral fighting for territory (a previously observed behavior), but also two corals entwine their gastrovascular openings in the act of “polyp kissing” (a previously unknown behavior).

Read the full article here.

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