talking points for nature guides
other cnidarians text index | photo index
Phylum Cnidaria > Class Anthozoa > Order Actiniaria
Photo index of cnidarians on Singapore shores
anemones and anemone-like animals
a central mouth; a ring of tentacles, or a disk covered with short tentacles (sometimes just bumps).
on sand, stuck to hard surfaces (stones, seagrasses, other animals).

Diameter < 3cm
including small ones on snail shells
Diameter 3-5cm
long tentacles
Diameter 3-5cm
short tentacles
Diameter >10cm
smooth tentacles
Diameter >10cm
frilly tentacles
Cerianthids
also known as
peacock anemones
or tube anemones

These are NOT sea anemones



Brain ancor coral
Euphyllia ancora
Family Euphylliidae



White-tipped
mushroom coral

Heliofungia actiniformis



Anemone coral
Goniopora sp.
Family Poritidae



Omelette
leathery coral

awaiting identification



Broad feathery
soft coral

awaiting identification
This is a hard coral. This is a hard coral.. This is a hard coral. This is a soft coral. This is a soft coral

how to tell apart
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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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