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Scarus ghobban  Forsskål, 1775

Blue-barred parrotfish
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Native range | All suitable habitat | Point map | Year 2100
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Scarus ghobban   AquaMaps   Data sources: GBIF OBIS
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Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Scaridae (Parrotfishes) > Scarinae
Etymology: Scarus: Greek, skaros = a fish described by anciente writers as a parrot fish; 1601 (Ref. 45335).   More on author: Forsskål.

Environment / Climate / Range Ecology

Marine; brackish; reef-associated; depth range 1 - 90 m (Ref. 89642).   Tropical, preferred 27°C (Ref. 107945); 30°N - 32°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indo-Pacific: Persian Gulf (Ref. 80050); Red Sea and Algoa Bay, South Africa (Ref. 5490) to Rapa and Ducie islands, north to southern Japan, south to Perth, New South Wales. Likely at Seychelles (Ref. 1623). Eastern Pacific: Gulf of California to Ecuador (Ref. 5227). Eastern Mediterranean: off the coast of Shiqmona, first Lessepsian immigrant of Family Scaridae (Ref. 45081).

Length at first maturity / Size / Weight / Age

Maturity: Lm ?, range 49 - ? cm
Max length : 90.0 cm TL male/unsexed; (Ref. 5284); common length : 30.0 cm TL male/unsexed; (Ref. 55763); max. reported age: 13 years (Ref. 42001)

Short description Morphology | Morphometrics

Dorsal spines (total): 9; Dorsal soft rays (total): 10; Anal spines: 3; Anal soft rays: 9. Distinctive yellow and blue-barred primary phase; terminal phase resembles that of S. forsteni.

Biology     Glossary (e.g. epibenthic)

Adults inhabit lagoon and seaward reefs (Ref. 1602), in slopes and drop-offs (Ref. 48636), often solitary but may sometimes occur in small groups (Ref. 9710, 48636). Males common in atolls where they live mainly around the inner and outer edges of barrier reefs at depths of about 30 ft; females prefer deeper habitat (Ref. 4821). Small juveniles in groups are found inshore on algae reef habitat (Ref. 9710, 48636) and sometimes enter silty, murky environments (Ref. 5490). Feed by scraping algae from rocks and corals (Ref. 5227). Are protogynous hermaphrodites (Ref. 55367). Caught with nets and other types of artisanal gear. Marketed fresh (Ref. 5284). In the Hong Kong live fish markets (Ref. 27253). Minimum depth reported from Ref. 90102.

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Oviparous, distinct pairing during breeding (Ref. 205). Sex change occurs at 29.0 cm TL and 7 years of age (Ref. 55367).

Main reference Upload your references | References | Coordinator : Westneat, Mark | Collaborators

Parenti, P. and J.E. Randall, 2000. An annotated checklist of the species of the labroid fish families Labridae and Scaridae. Ichthyol. Bull. J.L.B. Smith Inst. Ichthyol. (68):1-97. (Ref. 35918)

IUCN Red List Status (Ref. 109396)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: commercial; aquarium: commercial
FAO(fisheries: production; publication : search) | FisheriesWiki | Sea Around Us

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Internet sources

Alien/Invasive Species database | BHL | Cloffa | BOLDSystems | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | Faunafri | Fishtrace | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | National databases | OsteoBase(skull, spine) | Otolith Atlas of Taiwan Fishes | PubMed | Scirus | SeaLifeBase | Tree of Life | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01349 (0.00884 - 0.02059), b=3.03 (2.91 - 3.15), based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic Level (Ref. 69278):  2.0   ±0.0 se; Based on diet studies.
Resilience (Ref. 69278):  Medium, minimum population doubling time 1.4 - 4.4 years (K=0.47; tmax=13).
Vulnerability (Ref. 59153):  Moderate vulnerability (37 of 100) .
Price category (Ref. 80766):   High.