hard corals text index | photo index
Phylum Cnidaria > Class Anthozoa > Subclass Zoantharia/Hexacorallia > Order Scleractinia > Family Euphyllidae > Euphyllia sp.
Branching anchor corals
Euphyllia paraancora*
Family Euphyllidae
updated May 13

Where seen? This hard coral with white tipped U-shaped tentacles is sometimes seen on some of our Southern shores. Larger specimens are found only on undisturbed shores.

Features: The colony appears to be boulder-shaped, those seen 10-20cm, sometimes much larger. But the colony is not solid (massive). Hidden under the tentacles, the large corallites are branching and trumpet-shaped (phaceloid): long narrow column flaring out at the top (2-3cm). The branching corallites are arranged with the broad, flared portions facing out to form an overall spherical shape. But this feature is usually hidden when the polyps' long tentacles are expanded. Tentacles long (2-3cm) with white U-shaped tips. Colours seen include green, brown and purple with white or bluish tips.

Sometimes confused with other Euphyllia species. Here's more on how to tell apart the Euphyllia species.

Status and threats: This coral is listed as globally Vulnerable by the IUCN. Like other creatures of the intertidal zone, they are affected by human activities such as reclamation and pollution. Trampling by careless visitors, and over-collection also have an impact on local populations.

Terumbu Bemban, Apr 11

Kusu Island, May 04


Pulau Hantu, Aug 04

Mouth of the polyp surrounded by
tentacles with U-shaped tips.

Fan worm in the middle of the colony.


Sisters Island, Jun 07

Pulau Hantu, Aug 04

Terumbu Bemban, Jul 11

Branching anchor corals on Singapore shores

Photos for free download from wildsingapore flickr

*Species are difficult to positively identify without close examination.
On this website, they are grouped by external features for convenience of display.

Links

  • Euphyllia paraancora on Corals of the World online on the Australian Institute of Marine Science website: Technical fact sheet.
  • Euphyllia paraancora on the IUCN Red List of Threatened Species website: Technical fact sheet.
  • Euphyllia on Reef Corals of the Indo-Malayan Seas, the Marine Species Identification Portal: Technical fact sheet.
  • Euphyllia paraancora on SeaLife Base: Technical fact sheet.

References

www.flickr.com
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