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Phylum Mollusca
Opisthobranchs
/ Slugs
Family Phyllidiidae
HAWAII
Phyllidia varicosa
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Sharks Cove, Oahu, 25 feet
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Juvenile, Haleiwa Trench, Oahu, 40 feet |
Sharks Cove, Oahu, 40 feet
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Kewalo Pipe, Oahu, 50 feet |
Haleiwa Trench, Oahu, 50 feet |
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FRIED-EGG SLUG
| Common at scuba depths. Attains at least 4 inches. Has toxic mucus to
avoid predation by fishes. Hawaii & the Indo-Pacific. |
Phyllidia sp. 2
Electric Beach, Oahu, 30 feet
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Found on reefs from 30 to 60 feet. Only reported
from Kaua'i to Maui. Attains 1 inch.
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Phyllidiopsis sphingis
Kaumalapau Harbor, Lana'i, 40 feet |
Puako, Hawaii, 20 feet |
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SPHINX SLUG
| Uncommon under ledges at scuba depths. Attains 1 inch.
Hawaii & the Western Pacific. |
Phyllidiella rosans
Firehouse, Oahu, 25 feet |
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ROSY SLUG
| Uncommon on ledges at scuba depths. Attains 1.5 inch.
Spotty distribution includes Hawaii, the Society Islands, Marshall
Islands, & the Western Indian Ocean. |
Phyllidiella pustulosa
Firehouse, Oahu, 30 feet
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Kewalo Pipe, Oahu, 50 feet |
Kewalo Pipe, Oahu, 60 feet
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Sea Tiger Wreck, Oahu, 85 feet
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Haleiwa Trench, Oahu, 45 feet |
Sharks Cove, Oahu, 40 feet |
Ulithi, Yap, 5 feet |
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PUSTULOSE SLUG
| Common at scuba depths. Pink pustules are quite smooth. Attains
3 inches. Hawaii & the Indo-Pacific. |
Phyllidia polkadotsa
Haleiwa Trench, Oahu, 40 feet |
Koko Craters, Oahu, 40 feet |
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POLKADOT SLUG
| Uncommon on reefs. Attains 1 inch. Thailand to Hawaii. |
Phyllidia
scottjohnsoni
Phoenix, Midway, 50 feet |
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SCOTT JOHNSON'S SLUG
| The most common slug outside Midway's barrier reef, rare
elsewhere. Attains 1 inch. Black pustules are elevated.
Hawaii, Japan & Northern Australia. |
Phyllidiopsis loricata
Sharks Cove, Oahu, 20 feet
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First recorded from Hawaii in cave at Sharks Cove, Oahu,
2004. Attains 1 inch. Feeds on cream colored sponge
Leiodermatium sp.. Black spots are
not raised. Hawaii & the Indo-Pacific.
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INDO-PACIFIC
Phyllidia
coelestis
Palau, 5 feet |
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| Common on reef slopes. Black 'Y' between rhinophores. Attains
2.5 inches. Indo-Pacific. |
INDIAN OCEAN
Phyllidiella
meandrina
 Chumbe
Island, Zanzibar, 7 feet |
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| Occurs on reefs of the Red Sea & Indian Ocean. Attains 2
inches. |
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