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.
Guam Reef-Damsel
Marquesan Butterflyfish
Family: Butterflyfish - Chaetodontidae
Maximum Size: 15cm
Description: White with dark spots, fins yellowish; broad diagonal area across rear body gradating orange to black, orange eye bar and snout tip.
Hide-out: Rocky reef slopes and steep walls adjacent to sand bottoms below 20m.
Location: Line Is. in eastern Central Pacific and Marquesas Is. in French Polynesia.
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.
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