Members of the genus ''Metridium'', also known as plumose anemones, are
sea anemone
Sea anemones are a group of predation, predatory marine invertebrates of the order (biology), order Actiniaria. Because of their colourful appearance, they are named after the ''Anemone'', a terrestrial flowering plant. Sea anemones are classifi ...
s found mostly in the cooler waters of the northern Pacific and Atlantic oceans. They are characterized by their numerous threadlike
tentacle
In zoology, a tentacle is a flexible, mobile, and elongated organ present in some species of animals, most of them invertebrates. In animal anatomy, tentacles usually occur in one or more pairs. Anatomically, the tentacles of animals work main ...
s extending from atop a smooth cylindrical column, and can vary from a few centimeters in height up to one meter or more. In larger specimens, the oral disk becomes densely curved and frilly.
Species
The following species are recognised in the World Register of Marine Species (WoRMS):
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Metridium canum
''Metridium canum'' is a species of sea anemone in the family Metridiidae. It is found in the southwestern Pacific Ocean and the seas off New Zealand.
Description
''M. canum'' has a cylindrical column of about 10mm diameter, that is wider at t ...
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Stuckey, 1914
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Metridium dianthus
''Metridium dianthus'' is a species of sea anemone in the family Metridiidae. It is found in the northern Atlantic Ocean (including the coasts of the British Isles) and in the northeast Pacific Ocean. There is also a record from South Africa, po ...
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Ellis, 1768
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Metridium exile
Members of the genus ''Metridium'', also known as plumose anemones, are sea anemones found mostly in the cooler waters of the northern Pacific and Atlantic oceans. They are characterized by their numerous threadlike tentacles extending from ato ...
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Hand, 1956
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Metridium farcimen
''Metridium farcimen'' is a species of sea anemone in the Family (biology), family Metridiidae. It is commonly known as the giant plumose anemone or white-plumed anemone. It is found in the eastern Pacific Ocean from Alaska down to Santa Catalin ...
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( Tilesius, 1809) – giant plumose anemone or white-plumed anemone
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Metridium huanghaiensis
Members of the genus ''Metridium'', also known as plumose anemones, are sea anemones found mostly in the cooler waters of the northern Pacific and Atlantic oceans. They are characterized by their numerous threadlike tentacles extending from ato ...
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Pei, 1998
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Metridium senile
''Metridium senile'', or frilled anemone, is a species of sea anemone in the family Metridiidae. As a member of the genus ''Metridium'', it is a type of plumose anemone and is found in the seas off north-western Europe and both the east and west ...
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(Linnaeus, 1761) – frilled anemone
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Metridium sinensis
Members of the genus ''Metridium'', also known as plumose anemones, are sea anemones found mostly in the cooler waters of the northern Pacific and Atlantic oceans. They are characterized by their numerous threadlike tentacles extending from ato ...
''
Pei, 1998
References
External links
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PhotosITIS Listing
Metridiidae
Hexacorallia genera
{{Actiniaria-stub