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Frilly
anemones
Phymanthus
sp.*
Family Phymantidae
updated
Oct 08
Where
seen? These sea anemones with many fine 'branches' on their
tentacles are often seen on many of our shores. Among coral rubble,
usually with the body column wedged in crevices.
Features:
Diameter
with tentacles to 8-12cm. Tentacles about 3-5cm long with elaborate
'branches'. Only one side of the tentacle appears to bear the 'branches'.
The anemones
come in a wide variety of colours and their branched tentacles may
have different patterns. Also
sometimes encountered are branched sea anemones with tentacles that
are generally smooth with only slight bumps.
The body column is pale becoming darker near the top and has longitudinal
rows of white verrucae.
The anemone can tuck its tentacles into its body column.
Sometimes mistaken for other feathery
animals. Here's more on how
to tell apart feathery animals on our shores.
Status
and threats: Like other creatures of the intertidal zone,
sea anemones are affected by human activities such as reclamation
and pollution. Trampling by careless visitors, and over-collection
by hobbyists also have an impact on local populations.
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Pulau Sekudu, Dec 03

Pulau Semakau, Apr 08
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One
with a bright orange mouth.
Sisters Island, Jun 09
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Spitting
out indigestibles?
Sisters Island, Jun 07
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Six
of the tentacles usually of a different colour.
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Tentacles
with bands.
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Tentacles
plain sometimes the 'branches' are outlined in white.
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Tentacles
smooth, but with small branches visible.
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Mouth
with fine white lines radiating from the centre.
Tentacles with violet tips.
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*Species
are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience
of display
Links
References
- Erhardt,
Harry and Daniel Knop. 2005. Corals:
Indo-Pacific Field Guide
IKAN-Unterwasserachiv, Frankfurt. 305 pp.
- Lim, S.,
P. Ng, L. Tan, & W. Y. Chin, 1994. Rhythm of the Sea: The Life
and Times of Labrador Beach. Division of Biology, School of
Science, Nanyang Technological University & Department of Zoology,
the National University of Singapore. 160 pp.
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