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Phylum
Cnidaria
Class Anthozoa
Sea
Anemones
HAWAII
Aiptasia pulchella
Green banded form, Kaunolu Bay tidepool, Lana'i
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Typical color, Makapu'u
tidepool, Oahu |
Moku O Loe, Kaneohe Bay, Oahu, 3 feet
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Makapu'u tidepool, Oahu |
Makapu'u tidepool, Oahu |
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GLASS ANEMONE
| Abundant in tidepools, holes, and under rocks in shallow water.
Color is variable. Often found in clusters. Can be invasive
in aquaria. Hawaii, Tropical Pacific & Eastern Pacific. |
Anemonia
mutabilis
Makapu'u Tidepool, Oahu, Hawaii |
Makapu'u Tidepool, Oahu, Hawaii |
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CHANGEABLE
ANEMONE
| Uncommon in tidepools and shallow wave-washed reefs. About 1
inch. Endemic to Hawaii. |
Anthopleura nigrescens
Moku O Loe, Kaneohe Bay, Oahu, 3 feet |
Black Point, Oahu |
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DUSKY ANEMONE
| Uncommon on reefs in very shallow water or held in the claws of
Teddy-bear Crabs. Less than 1 inch. Hawaii & india. |
Boloceroides mumurrichi
Kaneohe Sandbar, Oahu, 8 feet |
Kaneohe Sandbar, Oahu, 8 feet |
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SWIMMING ANEMONE
| Uncommon on sand or seaweed in shallow water. Able to detach
itself from the substrate and swim using the tentacles. Attains
diameter of 6 inches but usually less. Hawaii & the
Indo-Pacific. |
Cladactella
manni 
Makapu'u Tidepool, Oahu, Hawaii |
Makapu'u Tidepool, Oahu, Hawaii |
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MANN'S ANEMONE
| Uncommon in dark holes in the intertidal zone exposed to wave
action. Attains diameter of 4 inches. Endemic to Hawaii. |
Heteractis
malu
Kure Atoll, 60 feet |
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SAND ANEMONE
| Rare except in Kaneohe and Ma'alaea Bay. Inhabits sand flats and
attains 12 inches but usually much less. Sometimes accompanied by commensal
shrimp and juvenile Hawaiian
Dascyllus. Hawaii, East Indian Ocean & the Tropical
Pacific. |
Calliactis polypus
Nanakuli, Oahu, 30 feet
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Haleiwa Trench, Oahu, 75 feet |
Sea Cave, Oahu, 60 feet |
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HERMIT CRAB ANEMONE
| Attached to shells carried by Jeweled
Anemone Crabs. Exudes sticky pink & white acontia threads
when disturbed. Attains height of 3 inches. Hawaii,
Indo-Pacific & Tropical Eastern Pacific. |
Telmatactis decora
Sea Cave, Oahu, 80 feet |
Sea Cave, Oahu, 80 feet |
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PLEASING ANEMONE
| Occasional under stones at any depth, also held by Teddy
Bear Crabs. Column height attains 3 inches. Hawaii &
the Indo-Pacific. |
Triactis producta
Black Rock, Ka'anapali, Maui, 30 feet
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Black Rock, Ka'anapali, Maui, 30 feet
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Kewalo Pipe, Oahu, 50 feet
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Kewalo Hump, Oahu, 90 feet |
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Kewalo Hump, Oahu, 90 feet |
Kewalo Hump, Oahu, 90 feet |
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PROLIFIC ANEMONE
| An uncommon species found under stone at scuba depths or carried by the
Pom-pom Crab.
About 1/3 inch in diameter, color variable. Hawaii & the
Indo-Pacific. |
Isarachnanthus bandanensis
Atlantis Reef, Waikiki, Oahu, 120 feet |
Atlantis Reef, Waikiki, Oahu, 120 feet |
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GHOST TUBE ANEMONE
| Inhabits tubes in sandy areas at any depth. Easily observed at night when
banded tentacles are
extended. A large colony inhabits the turning basin at Makai Pier, Oahu.
Crown diameter up to 1.5 inches. Hawaii & the Tropical
Pacific. |
Arachnanthus sp.
Maui Ocean Center |
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NIGHT TUBE ANEMONE
| Rare in silty sand in deep water, extends tentacles at night.
Coiled tentacles are several inches long. |
INDO-PACIFIC
Entacmea quadricolor
Wakatobi, Indonesia |
Wakatobi, Indonesia |
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BULB-TENTACLE SEA ANEMONE
| Common on shallow reefs, color variable. Indo-Pacific except
Hawaii. |
Heteractis magnifica
Wakatobi, Indonesia |
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MAGNIFICENT SEA ANEMONE
| Common on current-swept reefs. Indo-Pacific except Hawaii. |
Stichodactyla haddoni
Wakatobi, Indonesia |
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MERTEN'S SEA ANEMONE
| Large but uncommon species with sticky tentacles. Absent from
Hawaii. |
Actinodendron plumosum
Wakatobi, Indonesia, 5 feet |
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HELL'S FIRE SEA ANEMONE
| Uncommon on sand flats. Delivers powerful sting. About 1
foot across. Western Pacific. |
Discosoma sp.
Bora Bora, Society Islands, 6 feet |
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| Common on shallow reef flats. About 6 inches across.
Tropical Pacific. |
NORTHEAST PACIFIC
Anthopleura elegantissima
Ogden Point, Victoria, Canada, 3 feet
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Ogden Point, Victoria, Canada, 3 feet |
Ogden Point, Victoria, Canada, 3 feet
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Ogden Point, Victoria, Canada, 3 feet |
Tidepool, Victoria, Canada
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Tidepool, Victoria, Canada |
Tidepool, Victoria, Canada
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AGGREGATING ANEMONE
| Abundant in the intertidal zone to 60 feet. About 3 inches in
diameter. Alaska to Baja California. |
Cribrinopsis fernaldi
Ogden Point, Victoria, Canada, 30 feet |
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CRIMSON ANEMONE
| Uncommon at scuba depths. About 8 inches in diameter.
Alaska to Washington. |
Metridium farcimen
Ogden Point, Victoria, Canada, 70 feet
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Ogden Point, Victoria, Canada, 70 feet |
Ogden Point, Victoria, Canada, 70 feet |
Ogden Point, Victoria, Canada, 70 feet
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Ogden Point, Victoria, Canada, 70 feet |
Ogden Point, Victoria, Canada, 70 feet
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Ogden Point, Victoria, Canada, 70 feet
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Ogden Point, Victoria, Canada, 70 feet |
Ogden Point, Victoria, Canada, 70 feet |
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WHITE-PLUMED ANEMONE
| Common in areas exposed to current. To at least 20 inches
tall. White or orange-brown. Alaska to Southern
California. Formerly known as M. giganteum. |
Metridium senile
Ogden Point, Victoria, Canada, 20 feet |
Ogden Point, Victoria, Canada, 5 feet |
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PLUMOSE ANEMONE
| Common on ledges and in holes exposed to current. Oral disc not
divided into lobes. About 4 inches tall. White, orange, or
brown. Circumpolar; Alaska to southern California. |
Pachycerianthus fimbriatus
Ogden Point, Victoria, Canada, 30 feet |
Ogden Point, Victoria, Canada, 30 feet |
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TUBE-DWELLING ANEMONE
| Common on sand or mud at scuba depths. Up to 12 inches
tall. |
Stomphia coccinea
Ogden Point, Victoria, Canada, 30 feet |
Ogden Point, Victoria, Canada, 10 feet |
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SWIMMING ANEMONE
| Uncommon on rocks at scuba depths. White bands on tentacles and
white spot at base. Column height and diameter equal, up to 5
inches. Circumpolar; Alaska to southern California. |
Tealia coriacea
Ogden Point, Victoria, Canada, 30 feet |
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STUBBY ROSE or BURIED ANEMONE
| Occasional in gravel at scuba depths. Tentacles short and stubby
with several white bands. Color variable. About 6
inches in diameter extended. Alaska to southern California. |
Urticina piscivora
Ogden Point, Victoria, Canada, 60 feet
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Ogden Point, Victoria, Canada, 60 feet |
Ogden Point, Victoria, Canada, 60 feet
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Ogden Point, Victoria, Canada, 60 feet
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Ogden Point, Victoria, Canada, 60 feet
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Ogden Point, Victoria, Canada, 60 feet |
Ogden Point, Victoria, Canada, 60 feet
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Ogden Point, Victoria, Canada, 60 feet |
Ogden Point, Victoria, Canada, 60 feet |
Ogden Point, Victoria, Canada, 60 feet
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Ogden Point, Victoria, Canada, 60 feet
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Ogden Point, Victoria, Canada, 60 feet |
Ogden Point, Victoria, Canada, 60 feet |
Ogden Point, Victoria, Canada, 60 feet
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Ogden Point, Victoria, Canada, 60 feet
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FISH-EATING ANEMONE
| Common at scuba depths in areas exposed to current. To 8 inches
in diameter. Tentacles white or pink. Alaska to southern
California. |
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