e/Skeletal eroding band

Information
has gloss	eng: Skeletal eroding band (SEB) is a disease of corals that appears a black or dark gray band that slowly advances over corals, leaving a spotted region of dead coral in its wake. It is the the most common disease of corals in the Indian and Pacific Oceans, and is also found in the Red Sea.
lexicalization	eng: skeletal eroding band
instance of	(noun) a reef consisting of coral consolidated into limestone coral reef