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Entacmaea quadricolor

Bubble-tip anemone

Nicola Wood (2013)
 

 

Fact Sheet

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Summary


Physical Description


Ecology


Habitat


Symbioses


Life History and Behaviour


Reproduction


Development


Feeding


Mobility


Anatomy & Physiology


Internal Morphology


Respiration


Toxins


Biolfluorescence


Evolution & Systematics


Biogeographic Distribution


Conservation & Threats


References & Links


Summary


The bubble-tipped anemone, Entacmaea quadricolor, is a colourful representative of the Actiniaria family. It is widely distributed around the globe and is named for the diagnostic shape of it's tentacles which form bulbs either at the extreme distal end of the tentacle or just back from tip. The physical appearance is highly variable with many colour variations and two different morphologies. One morph is colonial with small polyps and lives predominantly in the shallow waters of the reef crest. The second morph is larger and lives as a solitary polyp in deeper waters of the reef slope.

This species is known for it's symbiotic relationship with a large number of different anemone fish species. A less popularized symbiosis also exists between E. quadricolor and obligate photosynthetic zooxanthellae, brown algae, which live inside the anemones and acting as a carbon and nitrogen source.

Like many Cnidaria E. quadricolor contains proteins which fluoresce under different wave lengths. This species is known, within biomedical fields, as the source of a unique far red shifted Red Florescent Protein (RFP), eqFP611, which has important applications in multicolor and full body tissue imaging.

The conservation status of this species is currently unknown, however commercial harvest and oceanic warming may both pose threats which may need to be managed in the future.

Classification

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Kingdom
Animalia
Phylum
Cnidaria
Class
Anthozoa
Order
Actiniaria
Superfamily
Actinioidea
Family
Actiniidae