Guam Reef-Damsel

Scientific Name: Pomachromis guamensis
Family: Damselfishes - Pomacentridae
Maximum Size: 5.5cm
Identification: Grayish head and belly, light blue-green body gradating to yellow rear body and tail; a small black spot on upper pectoral fin base.
Favourite: Feed in groups on plankton 1-2m above bottom.
Hide-out: Exposed seaward reefs in 3-33m.
Location: Mariana Is. in Micronesia.

Richardson's Reef-Damsel

Scientific Name: Pomachromis richardsoni
Family: Damselfishes - Pomacentridae
Maximum Size: 5.5cm
Identification: Light brown upper head gradating to light blue-gray with dark scale margins on upper body; black streak on upper tail base, black tail borders.
Favourite: Form groups.
Hide-out: Exposed reefs in 10-20m.
Location: Indo-West Pacific - Reunion and Mauritius Is. to New Caledonia, Fiji and Samoa. Taiwan and S.W. Japan to Great Barrier Reef.