cnidarians text index | photo index
Phylum Cnidaria > Class Anthozoa > Order Actiniaria
Photo index of cnidarians on Singapore shores
sea anemones and anemone-like animals
polyp diameter > 10cm frilly tentacles

Size given is the diameter with tentacles expanded



Banded
frilly anemone

Phymanthus sp.



Plain
frilly anemone

Phymanthus sp.



Smooth
frilly anemone

Phymanthus sp.
4-8cm. Six of the tentacles near the centre usually of a different colour. Oral disk pale. Coral rubble. Commonly seen on our Southern shores. 8-12cm. Bright yellow or white branches on tentacles give it a banded look. Oral disk unpatterned with spots. Coral rubble. Commonly seen on our Southern shores. 8-12cm. Tentacles uniformly coloured sometimes the 'branches' are outlined in white. Oral disk with white bars forming a petal-shaped pattern. Coral rubble. Commonly seen on our Southern shores. 8-12cm. Tentacles smooth, but some with small branches visible, most pale with six coloured ones. Oral disk plain. Coral rubble. Commonly seen on our Southern shores.
8-12cm. Tentacles and branches brown, with violet tips. Oral disk with fine white radiating lines. Coral rubble. Commonly seen on our Southern shores.



Pizza anemone
Cryptodendrum adhaesivum



Fire anemone
Actinodendron sp.
     
25-30cm. Oral disk with raised edge and tiny, tightly packed tentacles on the surface, underside often colourful. Hidden in crevices or under dead corals. Seen on our Southern shores. 15-20cm. Fat fleshy tentacles covered with branches. Stings painfully. On sand near coral rubble. Seen on our Southern shores.      

how to tell apart



photo index of
cnidarians on this site
Phylum Cnidaria
with soft body

sea anemones and anemone-like


Diameter < 3cm

Diameter 3-5cm
  long tentacles
short tentacles

Diameter 5-10cm


Diameter >10cm
  smooth tentacles
frilly tentacles

Cerianthids
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