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Time lapse of Acropora growth

By Leonard Ho - Posted Jun 07, 2018 09:00 AM
Even fast-growing corals such as SPS only lay down millimeters of growth per day. The only way to see their growth "in action" is many weeks of photography stitched together in a time-lapse. Peter Kragh has done exactly this and shares his results.

Particularly fascinating is the formation of the radial (side) corallites (skeletal cup where the polyps sit within). As the axial (tip) corallites lay down new skeleton, new radial polyps emerge from the sides and develop into the Acro branches we're all familiar with.

Also, at the 28 second mark of the video (clip 206-2), we see how Acropora heal over broken branches.  Frag away knowing that your corals know how to repair itself as if nothing ever happened.

Author: Leonard Ho
Location: Southern California

I'm a passionate aquarist of over 30 years, a coral reef lover, and the blog editor for Advanced Aquarist. While aquarium gadgets interest me, it's really livestock (especially fish), artistry of aquariums, and "method behind the madness" processes that captivate my attention.


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