Blue Chromis Adult Slender, deeply forked tail with dark borders.
Brown Chromis Adult Border of dorsal fin and tips of tail fin yellow. Dark spot around base of pectoral fin.
Black saddle on upper base of tail. Threespot Damselfish Yellow-gold crescent above eyes. Adult Larger second dot on back and dorsal fin is lost with maturity. Dark spot on base of pectoral fin. Black saddle on upper base of tail is retained into adulthood. Juvenile
Beaugregory Adult Pale to yellowish tail. Juvenile Blue wash from snout across nape, down back and dorsal fin.
Bicolor Damselfish Forebody is usually black. Adults
Cocoa Damselfish Area around eyes dark. Dark spot usually present on upper base of tail. Dark spot on base of pectoral fin. Adult Young Adult Juvenile Blue wash from snout across nape, down the back and dorsal fin. Dark spot on upper base of tail.
Dusky Damselfish Dorsal and anal fins rounded and rarely extend beyond base of tail. Adult Juvenile Brilliant orange wash from snout across nape and about halfway down dorsal fin.
Longfin Damselfish Dorsal and anal fins elongate and pointed, extending well beyond base of tail. Adult Brilliant blue lines run from snout across nape and down back. Juvenile
Yellowtail Damselfish Intermediate Adult Yellow tail. Translucent to whitish tail, changes to yellow with maturity. Juvenile Brilliant blue dots on dark blue.
Sergeant Major Adult Five black body bars. Upper lip does not overhang lower.