Euphyllia glabrescens in situ at Rob Roy Reef, Central Kimberley (Photo: Zoe Richards)

Torch coral

Euphyllia glabrescens

Phaceloid colonies with large tublular tentacles with knob-like tips. The mass of long tentacles obscures all underlying structure. Colonies are often brown with white tips.

 

 

Morphology

Colonies are phaceloid; corallites are 20-30 millimetres diameter and 15-30 millimetres apart. Walls are thin, with acute edges. Septa are even and plunge steeply near the centre of the corallite.

Evolution

Species age estimated to be 1.397 mya

Behaviour

A zooxanthellate coral which harbours symbiotic dinoflagelates in its tissues and in larval propagules. It has long sweeper tentacles which are tipped with cnidocytes.

Method of reproduction

Brooder

Habitat

Marine

Soft sediments to 40m

Distribution

Indo-Pacific

Life Cycle

The sperm are released and get drawn into other polyps of the same or other colonies where eggs are fertilized and the developing larvae are brooded maternally. Self-fertilisation may be an important strategy for this species. When the larvae are released they settle close to the parent colony.

Taxonomy

Kingdom: Animalia
Phylum: Cnidaria
Class: Anthozoa
Subclass: Hexacorallia
Order: Scleractinia
Family: Euphylliiae
Genus: Euphyllia
Species: glabrescens
Name Published Year: 1821
Scientific Name Authorship: Chammiso and Eysenhardt
Commercial Impact: 

Collected for the aquarium industry

Conservation Assessment: Near Threatened

Net Conservation Benefits Fund

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Western Australian Museum Collections https://museum.wa.gov.au/online-collections/names/Euphyllia-glabrescens
Accessed 31 Aug 2023

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