reef patch

reef patch

[′rēf ‚pach]
(geology)
A single large colony of coral formed independently on a shelf at depths less than 220 feet (70 meters) in the lagoon of a barrier reef or of an atoll. Also known as patch reef.
References in periodicals archive ?
Known as Snapper Ledge, the small reef patch is about five miles off Tavernier in federal N, waters of the Atlantic.
A 2005 study in the Bahamas by Oregon State University concluded that a single lionfish can reduce native fish populations on a coral reef patch by nearly 80 percent in just five weeks.