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Coral
Disease Identification and Information
Disease
Overview Yellow band is characterized by large rings or patches of bleached, yellow tissue on Caribbean scleractinian corals. It affects Montastraea annularis and M. faveolata and is widespread throughout the Caribbean. Tissue loss is extremely slow (cm/year). When yellow band infected corals are also bleached the yellow band can blend in with bleaching signs; after recovery from bleaching the band becomes visible again. No pathogen has been discovered, although loss of zooxanthellae pigments and zooxanthellae cells in affected tissue have been documented (Cervino et al., 2001). Yellow band associated zooxanthellae have lower mitotic indices (number of dividing cells), and it has been suggested that this disease affects the zooxanthellae and not the coral (Cervino et al., 2001).
Yellow Band Yellow band is characterized by a bleached zone that expands in a halo. Tissue loss is minimal (cm/yr). No pathogen has been isolated. Yellow band on Montastraea faveolata
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