Scarus rivulatus, Rivulated parrotfish : fisheries

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Scarus rivulatus Valenciennes, 1840

Rivulated parrotfish
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Scarus rivulatus   AquaMaps   Data sources: GBIF OBIS
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> Eupercaria/misc (Various families in series Eupercaria) > Scaridae (Parrotfishes) > Scarinae
Etymology: Scarus: Greek, skaros = a fish described by anciente writers as a parrot fish; 1601 (Ref. 45335).  More on author: Valenciennes.

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

; marien rifbewoner; diepteverspreiding 1 - 30 m (Ref. 86942).   Tropical; 30°N - 32°S

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Western Pacific: Thailand to New Caledonia, north to the Ryukyu Islands, south to Perth and New South Wales in Australia. Recently recorded from Tonga (Ref. 53797).

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm SL mannelijk/geslacht niet bekend; (Ref. 2935); common length : 20.0 cm SL mannelijk/geslacht niet bekend; (Ref. 2935)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 9; Dorsale zachte stralen (totaal): 10; Anale stekels 3; Anale zachte stralen: 9. This species is distinguished by the following features: 5-7 (usually 6) median predorsal scales; 3 scale rows on cheek 1(5-7), 2(5-7), 3(1-4); pectoral-fin rays 13-15 (usually 14); conical teeth on side of dental plate, none in female and usually 2 on upper and 0-1 on lower of dental plates for terminal male; lips nearly covering dental plates; caudal fin slightly rounded to truncate in female and emarginate in terminal male. Colour of patch covering cheek and gill cover of male orange, wavy band/lines on snout and cheek, pectoral fins pale green; female grey or grey-brown with 2 pale stripes on belly (Ref. 9793, 90102).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Found in silty coastal and offshore areas to 20 m deep (Ref. 90102). Inhabits rocky and coral reefs from tidal pools to at least 10 m deep. Form schools with 30 to 40 individuals. Grazes on benthic algae and corals (Ref. 2935). Reproductively active terminal males become bicolored (Ref. 37816).

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

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

Voornaamste referentie Upload your references | Referenties | Coördinator : Westneat, Mark | Medewerkers

Randall, J.E. and J.H. Choat, 1980. Two new parrotfishes of the genus Scarus from the Central and South Pacific, with further examples of sexual dichromatism. Zool. J. Linn. Soc. 70:383-419. (Ref. 2689)

Status op de Rode Lijst van het IUCN (Ref. 123251)

  Niet bedreigd (LC) ; Date assessed: 18 September 2009

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Estimates based on models

Preferred temperature (Ref. 115969): 24.8 - 29.3, mean 28.5 °C (based on 2763 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01549 (0.01029 - 0.02330), b=3.07 (2.95 - 3.19), in cm total length, 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.
Generation time: 5.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Weerstandsvermogen (Ref. 120179):  Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Kwetsbaarheid (Ref. 59153):  Moderate vulnerability (39 of 100) .
Prijsklasse (Ref. 80766):   High.
Nutrients (Ref. 124155):  Calcium = 31.2 [19.1, 51.8] mg/100g ; Iron = 0.68 [0.44, 0.99] mg/100g ; Protein = 18.5 [16.5, 20.5] % ; Omega3 = 0.0913 [, ] g/100g ; Selenium = 17.2 [10.2, 28.6] μg/100g ; VitaminA = 41.4 [12.2, 134.9] μg/100g ; Zinc = 2.31 [1.62, 3.19] mg/100g (wet weight);