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24. Turbinaria stellulata

About

Turbinaria stellulata is a widespread yet uncommon reef building species.  It is found at restricted depths and is therefore susceptible to coral bleaching, a process in which coral polyps eject algal symbionts due to stress.

Colonies of this coral grow as a crust over rocky substrate as opposed to other Turbinariaspecies which develop vertically as well as laterally. Colonies can vary in colour from yellow to green to pink.

Like many EDGE coral species, we know little species specific information. However, there is evidence of an overall decline in coral reef habitats around the world.

 

 

  • Order: Scleractinia
  • Family: Dendrophylliidae
  • Trend: unknown
  • Depth Range (m): 2 - 15m

EDGE Score

EDGE Score: 4.21 (?)
ED Score: 15.78 (?)
GE / IUCN Red List (?)
Not Evaluated Data Deficient Least Concern Near Threatened Vulnerable Endangered Critically Endangered Extinct in the Wild Extinct

Distribution

This species is found across the Indian Ocean, Red Sea, central and west Indo-Pacific to tropical Australia and American Samoa.

Habitat and Ecology

T.stellulata forms dome-shaped colonies on upper reef slopes and unlike other Turbinaria species it is rarely found in turbid waters.

This species, along with the rest of the genus, is gonochoric. This is unusual for corals and means that there are separate male and female individuals. Turbinaria stellulatacolonies spawn in synchrony, ejecting eggs and sperm en masse into the water for external fertilization.

Find out more

This wordcloud illustrates the threats facing this species. The size of each word indicates the extent of a species range that is affected by that threat (larger size means a greater area is affected). The colour of the word indicates how much that threat impacts the species (darker shades of red mean the threat is more severe).

Urban development Industrial development Tourism Extreme temperatures Extreme weather Shipping Fishing Recreation Invasive species Native species Wastewater Industry Agriculture Air pollution

Threat wordcloud key:

Small area affected
a
a
a
a
a
a
a
Large area affected
Least severe
Most severe
Severity unknown
Source: The IUCN List of Threatened Species. Version 2017.1.
Available at: http://www.iucnredlist.org