Scarus ghobban

Scarus ghobban, also known as the blue-barred parrotfish, blue trim parrotfish, cream parrotfish, globe-headed parrotfish, green blotched parrotfish, yellow scale parrotfish, and bluechin parrotfish,[1] is a species of marine ray-finned fish in the family Scaridae.

Scarus ghobban
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Labriformes
Family: Scaridae
Genus: Scarus
Species:
S. ghobban
Binomial name
Scarus ghobban
Synonyms[3]
  • Scarus ghobban Forsskål, 1775
  • Callyodon ghobban (Forsskål, 1775)
  • Scarus guttatus Bloch & Schneider, 1801
  • Callyodon guttatus (Bloch & Schneider, 1801)
  • Scarus maculosus Lacepède, 1802
  • Scarus pepo Bennett, 1830
  • Scarus reticulata Swainson, 1839
  • Hemistoma reticulata (Swainson, 1839)
  • Scarus lacerta Valenciennes, 1840
  • Scarus dussumieri Valenciennes, 1840
  • Callyodon dussumieri (Valenciennes, 1840)
  • Scarus scabriusculus Valenciennes, 1840
  • Scarus magrathii Bennett, 1841
  • Scarus pyrrostethus Richardson, 1846
  • Scarus haridoides Bleeker, 1855
  • Pseudoscarus cantori Bleeker, 1861
  • Pseudoscarus nudirostris Alleyne & Macleay, 1877
  • Pseudoscarus papuensis Macleay, 1883
  • Pseudoscarus flavipinnis De Vis, 1885
  • Pseudoscarus californiensis Pellegrin, 1901
  • Scarus noyesi Heller & Snodgrass, 1903
  • Pseudoscarus natalensis Gilchrist & Thompson, 1909
  • Pseudoscarus garretti Günther, 1909
  • Scarus pyrrostethus australianus Paradice, 1927
  • Scarus azureus Meek & Hildebrand, 1928
  • Scarus toshi Whitley, 1933
  • Callyodon fuscocuneus Fowler, 1935
  • Callyodon speigleri J.L.B. Smith, 1956
  • Callyodon apridentatus Smith, 1956
  • Scarus fehlmanni Schultz, 1969

Description
A Scarus ghobban

This species is blue-green to green in colour and commonly grows to approximately 46 cm. Its appearance is variable. It may have a central stripe on the dorsal and anal fins that is pink in colour. The underside of the body may be pinkish or yellowish. There may be blue markings around the area of the pectoral fin.[4]

Distribution

Scarus ghobban is widespread throughout the Indo-Pacific, known to live in waters from East Africa to Indonesia. It has also been found in the Mediterranean, likely having entered by way of the Red Sea as a Lessepsian migrant.[1] It also occurs at the Galápagos Islands[4] as well as Japan, south to Australia and east to French Polynesia.[2]

In 2004, the species was reported from Beirut, Lebanon.[5]

Like other reef fish with a pelagic larval phase, regional currents facilitate high levels of gene flow, which in turn create high genetic diversity among the species. [6]

Habitat

Scarus Ghobban occurs in places with sandy bottoms and in areas with seagrass. It is also known to live in marginal reefs and in deeper waters.[1]

Ecology

Scarus ghobban grows quickly and can live up to 13 years. It tends to congregate in small schools.[1]

Threats

While the species is captured in large numbers by fishermen for consumption and sale, and there is also a high amount of bycatch from other fisheries, it is not particularly targeted and appears not to be threatened at this point. As other parrotfish, it is dependent on coral reefs to some degree, and is likely to suffer from the continued degradation of same.[1]

References
  1. Myers, R.; Choat, J.H.; Russell, B.; et al. (2012). "Scarus ghobban". IUCN Red List of Threatened Species. 2012: e.T190705A17798394. doi:10.2305/IUCN.UK.2012.RLTS.T190705A17798394.en. Retrieved 13 February 2020.
  2. McGrouther, Mark (21 January 2019). "Bluebarred Parrotfish, Scarus ghobban Forsskål, 1775". Australian Museum. Retrieved 25 April 2019.
  3. Froese, Rainer and Pauly, Daniel, eds. (2019). "Scarus ghobban" in FishBase. December 2019 version.
  4. "Scarus ghobban". Darwin Foundation.
  5. Bariche, Michel; Saad, Mohammed (2009) [2005]. "Settlement of the lessepsian blue-barred parrotfish Scarus ghobban (Teleostei: Scaridae) in the eastern Mediterranean". Marine Biodiversity Records. 1: e5. doi:10.1017/S1755267205000497.
  6. Visram, Shakrim (2010). "Genetic connectivity and historical demography of the blue barred parrotfish (Scarus ghobban) in the western Indian Ocean". Marine Biology. 157 (7): 1475. doi:10.1007/s00227-010-1422-8. S2CID 85349344.
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