Blastomussa merleti (Wells, 1961)
Blastomussa merleti
photo by Veron, Charlie (J.E.N.)

Family:  Plerogyridae ()
Max. size: 
Environment:  reef-associated; marine; depth range 0 - 40 m
Distribution:  Indo-Pacific: widespread in East Africa including the Red Sea to New Caledonia, north to Ryukyu Islands, south to Great Barrier Reef, Australia.
Diagnosis:  Formation: phaceloid to plocoid, with few to numerous corallites. Corallites are less than 7 mm diameter. Septa: mostly in two cycles, with only the first reaching the columella; primary septa may be exsert. Poorly developed columellae. Mantles extend during the day and may form a continuous surface obscuring the underlying growth-form. Color: commonly dark red with obvious green oral discs, also pink, orange, brown or uniform dark grey with white margins to primary septa (Ref. 848).
Biology:  Occurs in reef environments where water is turbid (Ref. 848). Also in deep, steep slopes and crevices (Ref. 98471).
IUCN Red List Status: (LC); Date assessed: 01 January 2008 Ref. 123251)
Threat to humans: 
Country info:   
 

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