Sea anemones and anemone-like animals on Singapore shores: photo index

Photo index of cnidarians on Singapore shores
sea anemones and anemone-like animals
polyp diameter < 3cm

Size given is the diameter with tentacles expanded

Banded bead anemone Anthopleura sp.	Pink-spotted bead anemone Anthopleura buddemeieri	Lined bead anemone Diadumene lineata
1-2cm. One row of tapered tentacles with a banded pattern. Large oral relative to tentacles. Usually brownish. On rocky shores, in sand or in cracks in large boulders and sea walls. Commonly seen on many of our shores.	1-2cm. Pale column with pink spots in rows. One row of tapered tentacles pale, greyish with pinkish cast. Near high water mark on bouldery rocky shore under rich coastal forest. Seen on St. John's Island and Sentosa.	Less than 0.5cm, at low tide, a tiny blob with fine stripes in white, orange, yellow or red. Among barnacles, on jetty legs and other hard surfaces. Commonly seen on our Northern shores.
Snail-hitching anemone awaiting identification	Small hermit crab anemone awaiting identification	Big hermit crab anemone awaiting identification
1cm. On living snails. Many long thin tentacles. Body brown with pale stripes. On shells of living snails. Sometimes seen on some of our shores.	1-2cm. Many short tapering tentacles. Oral disk white or with white radiating stripes. Body column short, smooth and not covered in sediments, pale some with faint stripes. On shells occupied by hermit crabs. Sometimes seen on some of our Northern shores.	2-3cm. Many short tapering tentacles. Oral disk with fine white stripes. Body column thick, long with broad dark bars. On shells occupied by hermit crabs. Sometimes seen on some of our Northern shores.
Branched-tentacle mangrove anemone awaiting identification	Striped bead anemone awaiting identification	Moustache anemone awaiting identification		Ball tip corallimorph awaiting identification
2-3cm. Few transparent tentacles, that branch at least once ending in tapering tips, with narrow white rings at the branching point. Oral disk tiny. Body column pale. Sometimes seen on mudflats near mangroves and freshwater flows on our Nothern shores.	2-3cm. Abut 40 tentacles with dark stripes and white bars. On hard surfaces and rocky shores. Common on our Northern shores.	1-1.5cm. Various colours and patterns. A pair of tentacles often a contrasting colour resembling a moustache. Fine white stripes on oral disk. Soft, silty shores. Common on some Northern 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 some of our shores.
Sea mat zoanthids Palythoa tuberculosa	Broad disk zoanthids Palythoa mutuki	Button zoanthids Zoanthus sp.	Pink button zoanthids Zoanthus vietnamensis
Colony 20-40cm, encrusts rocks and rubble like a rubbery mat. Polyps 1-2cm in diameter embedded in this common tissue, short or no body column. Coral rubble, boulders. Commonly seen on many of our Southern shores.	Colony 5-10cm, a cluster of a few individual polyps. Polyp 1-2cm with long body column, broad oral disk. On coral rubble. Commonly seen on many of our Southern shores.	Colony10-15cm, encrusting small stones and rubble sometimes forming dense carpet. Polyps about 1cm with long body column, oral disk appears to be split into two. Commonly seen on many of our shores.	Colony10-15cm, encrusting small stones and rubble. Polyps about 1cm with long body column tipped in bright pink. Sometimes seen on many of our shores.

how to tell apart animals with a ring of smooth tentacles