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Calotomus viridescens (Rüppell, 1835)

Viridescent parrotfish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Calotomus viridescens   AquaMaps   Data sources: GBIF OBIS
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Image of Calotomus viridescens (Viridescent parrotfish)
Calotomus viridescens
Male picture by Randall, J.E.


Maldives country information

Common names: [No common name]
Occurrence: questionable
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/mv.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Randall, J.E. and C. Anderson, 1993
National Database:

Common names from other countries

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Eupercaria/misc (Various families in series Eupercaria) > Scaridae (Parrotfishes) > Sparisomatinae
Etymology: Calotomus: Greek, kalos, kallos = beautiful + Greek, tomos = section, cut (Ref. 45335).
  More on author: Rüppell.

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

marien rifbewoner; diepte 1 - 30 m (Ref. 9710).   Tropical; 24°C - 26°C (Ref. 130607)

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

Western Indian Ocean: known only from the Red Sea, ranging from the Gulf of Aqaba to at least the coast of Ethiopia.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 21.0 cm SL mannelijk / geslacht onbekend; (Ref. 3488)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 9; Dorsale zachte stralen (totaal) : 10; Anale stekels: 3; Anale zachte stralen: 9; Wervels: 25. Head and body gray-brown with darker scale edges, paler ventrally. Numerous dark spots on scales on operculum and region circumscribed by pectoral fin. Flexible dorsal spines; caudal fin rounded in juveniles, double emarginate in adults; pectoral fin base yellowish, the rest unpigmented; pale pelvic fins with 2 reddish bars, at the center and near the base. Skin dark, almost black around anus. Orangish iris.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Inhabits coral and rocky reefs and grass bed areas to depths of about 30 m (Ref. 9710). Occurs singly or in small groups (Ref. 9710). Feeds mainly on marine angiosperms and epiphytic algae. Caught mainly with traps, nets and other types of artisanal gear.

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator : Westneat, Mark | Medewerkers

Bruce, R.W. and J.E. Randall, 1985. A revision of the Indo-West Pacific parrotfish genera Calotomus and Leptoscarus (Scaridae: Sparisomatinae). Indo-Pac. Fish. (5):32 p. (Ref. 525)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Niet bedreigd (LC) ; Date assessed: 17 September 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless




Gebruik door de mens

Visserij: van minder commercieel belang; Aquarium: Commercieel
FAO(Publication : search) | FishSource |

Meer informatie

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Ecology
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Length-weight rel.
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Estimates based on models

Preferred temperature (Ref. 115969): 24.8 - 29.2, mean 27.5 (based on 233 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5312   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.00803 - 0.05439), b=2.98 (2.75 - 3.21), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  2.0   ±0.00 se; based on food items.
Weerstandsvermogen (Ref. 120179):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (16 of 100).
Prijsklasse (Ref. 80766):   High.