Hong Kong country information

Common names: [No common name]
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Also Ref. 94637.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/hk.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Ni, I.-H. and K.-Y. Kwok, 1999
National Database:

Common names from other countries

Steephead parrotfish, Parrotfish, Heavybeak parrotfish, ... more

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Scaridae (Parrotfishes) > Scarinae
Etymology: Chlorurus: Greek, chloros = green + Greek oura = tail (Ref. 45335).
More on author: Bleeker.

Environment: milieu / climate zone / depth range / distribution range Écologie

marin récifal; profondeur 0 - 50 m (Ref. 90102), usually 1 - 15 m (Ref. 89972). Tropical; 31°N - 35°S, 105°E - 124°W

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Pacific Ocean: Bali and the Philippines to the Line and Pitcairn islands, north to the Ryukyu Islands, south to Rottnest Island, Lord Howe Island and Rapa Island (Ref. 37816). The species complex comprise of Chlorurus gibbus in the Red Sea, Chlorurus strongylocephalus in the Indian Ocean and Chlorurus microrhinos in the west-central Pacific.

Taille / Poids / Âge

Maturity: L_m ? range ? - ? cm
Max length : 70.0 cm TL mâle / non sexé; (Ref. 2334); common length : 49.0 cm SL mâle / non sexé; (Ref. 37816); common length :40 cm SL (female); poids max. publié: 5.4 kg (Ref. 37816)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 9; Rayons mous dorsaux (Total) : 10; Épines anales: 3; Rayons mous anaux: 9. Juveniles below about 8 cm are black with several horizontal white streaks. Larger ones up to about 20 cm uniformly dark, greenish brown, slowly becoming blue with age. Blue streak and patch extending behind the corner of the mouth of large males often quite brilliant. Uniformly yellowish-tan individuals rare. Caudal fin lunate in large terminal males. Scale rows on cheek 3. Median predorsal scales 3-4 (Ref. 37816). Males develop large hump on head and appear blunt-headed (Ref. 48636).

Occurs in lagoon and seaward reefs. Juveniles generally solitary; large adults often school together. Feeds on benthic algae (Ref. 89972). Minimum depth reported taken from Ref. 128797.

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

Oviparous, distinct pairing during breeding (Ref. 205).

Référence principale Upload your references | Références | Coordinateur : Westneat, Mark | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

Préoccupation mineure (LC) ; Date assessed: 16 September 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

Reports of ciguatera poisoning (Ref. 4690)

Utilisations par l'homme

Pêcheries: commercial

FAO(Publication : search) | FishSource | Sea Around Us

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Estimates based on models

Preferred temperature (Ref. 115969): 24.8 - 29.3, mean 28.4 (based on 1923 cells).

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01445 (0.01199 - 0.01742), b=3.03 (2.98 - 3.08), in cm Total Length, based on LWR estimates for this species (Ref. 93245).

Résilience (Ref. 120179): Faible, temps minimum de doublement de population : 4,5 à 14 années (tmax=14; k=0.22).

Fishing Vulnerability (Ref. 59153): Moderate to high vulnerability (48 of 100).

Catégorie de prix (Ref. 80766): High.

Chlorurus microrhinos (Bleeker, 1854)