Fishes of Hawai'i
Family Pomacentridae - damselfishes
Chromis agilis - Agile chromis |
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Description: body drab greenish-tan; black spot at the
base of the pectoral fin, tail pale (also posterior dorsal & anal) |
Size: to 11 cm |
Habitat: can be found hovering above reefs, usually found
on the leeward side of the islands |
Diet: planktivore |
Chromis
hanui - Chocolate-dip chromis |
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Description: body brownish; white tail (also posterior
dorsal & anal fin) |
Size: to 8.5 cm |
Habitat: found at the outer edges of reefs and sides of
coral heads, from 6 to 160 ft |
Diet: planktivore |
Chromis
ovalis - Oval chromis |
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Description: uniform bluish to silvery; dorsal fin darker
than body, can have blue stripes during breading |
Size: to 21 cm |
Habitat: hovers over reef while feeding and close to the
bottom when protecting eggs |
Diet: carnivore: copepods, tunicates, various larve and
fish eggs |
Chromis vanderbilti - Blackfin chromis |
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Description: very small, body has greens and yellows,
black on anal and lower caudal fin; longitudinal bluish stripes |
Size: to 7 cm |
Habitat: found around coral heads from 15 ft to 50 ft |
Diet: planktivore: primarily copepods |
Plectroglyphidodon imparipennis - Brighteye damselfish |
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Description: irridescent eye; small, nervous, pale yellow
with greenish undertones |
Size: up to 6cm |
Habitat: found inshore on rocky coasts, found close to
the substratum. |
Diet: wide variety of small invertebrates, mainly worms
and small crustaceans |
Plectroglyphidodon johnstonianus - Blue-eye damselfish |
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Description: bright blue eye; yellowish-green, blackish
posteriorly |
Size: up to 12.5 cm |
Habitat: near live corals |
Diet: feeds directly on coral polyps |
Stegastes fasciolatus - Pacific gregory |
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Description: drab gray with orangish-yellow eye;
aggressive |
Size: usually to 12.5 cm |
Habitat: shallow water reef fish, avoids the heavy
surges. |
Diet: mainly filamentous algae and detritus |
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