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Chlorurus genazonatus

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA ACTINOPTERYGII PERCIFORMES LABRIDAE

Scientific Name: Chlorurus genazonatus
Species Authority: (Randall & Bruce, 1983)
Common Name/s:
English Sinai Parrotfish, Purplestreak Parrotfish
French Perroquet de Sinai
Spanish Loro de Sinaí
Synonym/s:
Scarus genazonatus Randall & Bruce, 1983
Taxonomic Notes: Westneat and Alfaro (2005) recognize the Scarini as a tribe within the family Labridae. The genera Chlororus and Scarus are two distinct monophyletic lineages (Smith et al. 2008).

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2012
Date Assessed: 2009-09-16
Assessor/s: Choat, J.H., Carpenter, K.E., Clements, K.D., Rocha, L.A., Russell, B., Myers, R., Lazuardi, M.E., Muljadi, A., Pardede, S. & Rahardjo, P.
Reviewer/s: McIlwain, J. & Craig, M.T.
Justification:
This species is found only in the Red Sea but is not targeted due to small size and depth of occurrence. It occurs in marine reserves in parts of its range. It is therefore listed as Least Concern.
History:
2010 Least Concern

Geographic Range [top]

Range Description: This species is found only in the Red Sea and the Gulf of Aden.
Countries:
Native:
Djibouti; Egypt; Eritrea; Israel; Jordan; Saudi Arabia; Sudan; Yemen
FAO Marine Fishing Areas:
Native:
Indian Ocean – western
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This endemic species is relatively rare in the Red Sea. In Duba, Saudi Arabia, an average of 33 individuals per hectare were recorded. It is more abundant in the northern Red Sea (Duba, Saudi Arabia as opposed to Jedda, Saudi Arabia) (A.M. Ayling pers comm. 2009).
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: This species is a small excavating parrot fish found on outer reef slopes. It inhabits coral reefs at depths between about 6-31 m, but most commonly encountered below 20 m (G. Allen pers comm. 2009). It has been observed to be solitary or in small groups to depths of 30 m.
Systems: Marine

Threats [top]

Major Threat(s): There are no major threats known for this species.

Parrotfishes show varying degrees of habitat preference and utilization of coral reef habitats, with some species spending the majority of their life stages on coral reefs, while others primarily utilize seagrass beds, mangroves, algal beds, and /or rocky reefs. Although the majority of the parrotfishes occur in mixed habitat (primarily inhabiting seagrass beds, mangroves, and rocky reefs) approximately 78% of these mixed habitat species are experiencing greater than 30% loss of coral reef area and habitat quality across their distributions. Of those species that occur exclusively in coral reef habitat, more than 80% are experiencing a greater than 30% of coral reef loss and degradation across their distributions. However, more research is needed to understand the long-term effects of habitat loss and degradation on these species populations.   Widespread coral reef loss and declining habitat conditions are particularly worrying for species that depend on live coral reefs for food and shelter especially as studies have shown that protection of pristine habitats facilitate the persistence of adult populations in species that have spatially separated adult and juvenile habitats. Furthermore, coral reef loss and declining habitat conditions are particularly worrying for some corallivorous excavating parrotfishes that play major roles in reef dynamics and sedimentation (Comeros-Raynal et al. 2012).

Conservation Actions [top]

Conservation Actions: There are no species-specific conservation measures in place for this species. However, its distribution overlaps several marine protected areas within its range.
Citation: Choat, J.H., Carpenter, K.E., Clements, K.D., Rocha, L.A., Russell, B., Myers, R., Lazuardi, M.E., Muljadi, A., Pardede, S. & Rahardjo, P. 2012. Chlorurus genazonatus. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 19 April 2014.
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