Acanthaster

Acanthaster
	Acanthaster planci
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Asteroidea
Order:	Valvatida
Family:	Acanthasteridae
Genus:	Acanthaster; Gervais, 1841[1]
Species
	2, See text.
Synonyms[1]
	Echinaster Gray, 1840 ; Echinities Müller & Troschel, 1844 ;

Acanthaster is a bitypic genus of large and venomous starfish placed in its own family, Acanthasteridae. Its two members are known as crown-of-thorns starfish. Acanthaster are native to Coral reefs in Indo-Pacific region.[2] They are a contributor to coral reefs degradation because at high density they consume a large amount of live coral.[2][3][4]

Species

These species are listed in the World Register of Marine Species:[1]

Acanthaster brevispinus Fisher, 1917
Acanthaster planci (Linnaeus, 1758)

Some sources add Acanthaster ellisi, (Gray, 1840) but it is now considered as a subspecies of A. planci in the eastern Pacific.[5]

Recent molecular work has suggested that Acanthaster planci is a species complex of up to 4 different species that have yet to be separately described (Vogler et. al., 2008).

A. planci
A. brevispinus
Lab hybrid of A. planci and A. brevispinus[6]
A. p. ellisi

References

Mah, C. (2012). Acanthaster Gervais, 1841. In: Mah, C.L. (2012). World Asteroidea database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=205212 on 2012-03-23
Pratchett, Morgan S.; Cumming, Graeme S. (October 2019). "Managing cross-scale dynamics in marine conservation: Pest irruptions and lessons from culling of crown-of-thorns starfish (Acanthaster spp.)". Biological Conservation. 238: 108211. doi:10.1016/j.biocon.2019.108211. ISSN 0006-3207.
Uthicke, Sven; Fisher, Eric E.; Patel, Frances; Diaz-Guijarro, Beatriz; Doyle, Jason R.; Messmer, Vanessa; Pratchett, Morgan S. (2019-09-30). "Spawning time of Acanthaster cf. solaris on the Great Barrier Reef inferred using qPCR quantification of embryos and larvae: do they know it's Christmas?". Marine Biology. 166 (10). doi:10.1007/s00227-019-3582-5. ISSN 0025-3162.
Gilmour, James P.; Cook, Kylie L.; Ryan, Nicole M.; Puotinen, Marjetta L.; Green, Rebecca H.; Shedrawi, George; Hobbs, Jean-Paul A.; Thomson, Damian P.; Babcock, Russell C.; Buckee, Joanna; Foster, Taryn (2019-08-01). "The state of Western Australia's coral reefs". Coral Reefs. 38 (4): 651–667. doi:10.1007/s00338-019-01795-8. ISSN 1432-0975.
"Acanthaster ellisi". The World Asteroidea Database. Retrieved 20 September 2019.
JS Lucas, « Hybrid crown-of-thorns starfish (Acanthaster planci X A. brevispinus) reared to maturity in the laboratory », Nature, vol. 263, 1976, p. 409-412 & cover.

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[WoRMS-1] Mah, C. (2012). Acanthaster Gervais, 1841. In: Mah, C.L. (2012). World Asteroidea database. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=205212 on 2012-03-23

[Pratchett_108211-2] Pratchett, Morgan S.; Cumming, Graeme S. (October 2019). "Managing cross-scale dynamics in marine conservation: Pest irruptions and lessons from culling of crown-of-thorns starfish (Acanthaster spp.)". Biological Conservation. 238: 108211. doi:10.1016/j.biocon.2019.108211. ISSN 0006-3207.

[3] Uthicke, Sven; Fisher, Eric E.; Patel, Frances; Diaz-Guijarro, Beatriz; Doyle, Jason R.; Messmer, Vanessa; Pratchett, Morgan S. (2019-09-30). "Spawning time of Acanthaster cf. solaris on the Great Barrier Reef inferred using qPCR quantification of embryos and larvae: do they know it's Christmas?". Marine Biology. 166 (10). doi:10.1007/s00227-019-3582-5. ISSN 0025-3162.

[4] Gilmour, James P.; Cook, Kylie L.; Ryan, Nicole M.; Puotinen, Marjetta L.; Green, Rebecca H.; Shedrawi, George; Hobbs, Jean-Paul A.; Thomson, Damian P.; Babcock, Russell C.; Buckee, Joanna; Foster, Taryn (2019-08-01). "The state of Western Australia's coral reefs". Coral Reefs. 38 (4): 651–667. doi:10.1007/s00338-019-01795-8. ISSN 1432-0975.

[5] "Acanthaster ellisi". The World Asteroidea Database. Retrieved 20 September 2019.

[6] JS Lucas, « Hybrid crown-of-thorns starfish (Acanthaster planci X A. brevispinus) reared to maturity in the laboratory », Nature, vol. 263, 1976, p. 409-412 & cover.