13 August 2020
FLORIDA KEYS NATIONAL MARINE SANCTUARY — Several colonies of laboratory-raised mountainous star coral – a reef-building boulder coral – were observed spawning in the Florida Keys National Marine Sanctuary earlier this week by researchers from the Keys-based Mote Marine Laboratory.
The breakthrough, the first spawn ever for lab-raised restored massive corals, according to Mote Marine officials, took place on a reef south of Big Pine Key. Spawning, part of sexual reproduction sometimes characterized as “sex on the reef,” is often described by divers as resembling an upside-down underwater snowfall.
During spawning, corals release their gametes (eggs and sperm) into the water column. The gametes move with currents and can settle on the sea floor to eventually create new coral colonies.
With reefs around the world threatened by challenges such as global warming, many scientists believe that the efforts to restore coral can only be truly successful if laboratory efforts result in spawning.
Mountainous star coral, listed as threatened under the U.S. Endangered Species Act, helps form the backbone of Florida’s Coral Reef.
Through a microfragmentation-fusion process pioneered by Mote researchers in the Keys, the slow-growing mountainous star corals can have their growth accelerated to reach sexual maturity in just five years.
It’s not the first time cultivated coral has spawned in the Keys.
Researchers at the Key Largo-based Coral Restoration Foundation saw their nursery-raised staghorn corals first spawn in 2009.


Story: Lab-Raised Corals Spawn in Florida Keys
Locator: Florida Keys National Marine Sanctuary
Video: Video to match this story is available via FTP Server. FTP information is below. Underwater B-roll of coral spawning in Florida Keys National Marine Sanctuary at night, shot early Aug. 12.
Filename: KeysCoralSpawn.mp4
TRT: 01:00
Video Source: Florida Keys News Bureau

FTP Information
Host: VIDEO/
UserID: floridakeys@news.fla-keys.com
Password: islands
Folder: News Video
Filename: KeysCoralSpawn.mp4

It is best to access and download files from the FTP site using a dedicated FTP software package such as Fetch.

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