cnidarians text index | photo index
Phylum Cnidaria > Class Anthozoa > Order Corallimorphoria
Photo index of cnidarians on Singapore shores
sea anemones and anemone-like animals
polyp diameter 3-5cm short tentacles

Size given is the diameter with oral disk expanded



Carpet corallimorph
Rhodactis indosinensis



Beaded corallimorph
Discosoma nummiforme



Frilled corallimorph
Rhodactis inchoata



Ridged corallimorphs
Platyzoanthus mussoides



Stubby corallimorphs
Ricordea yuma
2-4cm. Oral disk densely covered with short thin tentacles, entire group looks like a shaggy carpet. Coral rubble. Commonly seen on our Southern shores. 2-4cm. Oral disk covered bumps, no tentacles on the edge. Coral rubble. Commonly seen on our Southern shores. 2-4cm. Oral disk with fringed edge and covered clusters of very short branched tentacles. Coral rubble. Commonly seen on our Southern shores. 4-5cm. Oral disk has a ridged surface. Usually a plain unpatterned brown. Coral rubble. Sometimes seen on our Southern shores. 3-4cm. Oral disk with short stubby tentacles that also fringe the edge of the oral disk. Coral rubble. Sometimes seen on our shores.



White-tip
corallimorphs
Rhodactis indosinensis



Posy sea anemone
awaiting identification



Mini carpet
anemone

Stichodactyal tapetum
3-4cm. Oral disk brown with pale stripes, sparse tentacles, smooth edge. Coral rubble. Sometimes seen on our shores. 1.5-4cm. Tentacles many, long thin, transparent with darker ball-shaped tip. Body column smooth and brightly coloured brown, blue, orange or red. Oral disk usually dark. On rocks. Sometimes seen on our shores. 3-4cm. Oral disk with short stubby tentacles with white bulbous tips. Coral rubble. Sometimes seen on our Southern shores. 3-4cm. Oral disk with short stubby tentacles with bulbous tips. Coral rubble. Sometimes seen on our Northern shores. 2-6cm. Tentacles very short, resemble bumps, not so tightly packed together. In the centre, are neatly arranged into wedge-shaped groups, resembling the spokes of a wheel. Seagrass meadows. Sometimes seen on our shores.



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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