Sargocentron violaceum, Violet squirrelfish

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Sargocentron violaceum (Bleeker, 1853)

Violet squirrelfish
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Sargocentron violaceum   AquaMaps   Data sources: GBIF OBIS
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Image of Sargocentron violaceum (Violet squirrelfish)
Sargocentron violaceum
Photo de Winterbottom, R.


Japan country information

Common names: Sumire-ebisu
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in the Ryukyu Islands.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ja.html
National Fisheries Authority: http://www.maff.go.jp/eindex.html
Occurrences: Occurrences Point map
Main Ref: Masuda, H., K. Amaoka, C. Araga, T. Uyeno and T. Yoshino, 1984
National Database:

Common names from other countries

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

> Holocentriformes (Squirrelfishes, soldierfishes) > Holocentridae (Squirrelfishes, soldierfishes) > Holocentrinae
Etymology: Sargocentron: Greek, sargos = sargus + Greek, kentron = sting (Ref. 45335).
More on author: Bleeker.

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

marin récifal; profondeur 0 - 100 m (Ref. 128797), usually 1 - 15 m (Ref. 27370). Tropical; 30°N - 24°S

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Carte par point | Introductions | Faunafri

Indo-Pacific: Aldabra and the Laccadive Islands (Ref. 4201) to the Society Islands (Ref. 9710), north to Ryukyu Islands, south to the southern Great Barrier Reef; Palau to the eastern Caroline and Marshall Islands in Micronesia.

Taille / Poids / Âge

Maturité: Lm ?  range ? - ? cm
Max length : 45.0 cm TL mâle / non sexé; (Ref. 8631)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 11; Rayons mous dorsaux (Total) : 12 - 15; Épines anales: 4; Rayons mous anaux: 9. Body color brownish to purplish red; head primarily red; upper part of opercular membrane blackish; each scale with vertical silvery white line. Four to five oblique scale rows on cheek; body depth 2.3-2.7 in SL; head length (HL) 2.4-2.85 in SL; snout length 3.75-4.35 in HL; maxilla extending posteriorly from below front of pupil to below center of the eye, upper jaw length 2.7-2.85 in HL; premaxillary groove about a vertical at front edge of orbit; anterior end of nasal bone with 2 diverging spines; medial margin of nasal bone spineless (however, a Seychelles specimen 20.6 cm has one small spinule on the edge); 1-3 spinules on anterior and posterior margins of nasal fossa; suborbital bones' upper edge smooth anteriorly, becoming slightly serrate posteriorly (serrae as recumbent spinules); adults' preopercular spines long, 2.85-3.8 in HL (at least equal to orbit diameter). 2 opercular spines with the lower nearly as long or equal to the upper spine; 4th dorsal spine longest, .5-2.95 in HL; membranes of spinous dorsal fin not incised; 3rd anal spine 1.5-1.7 in HL (Ref. 27370). Has a high body similar to S. spiniferum, but differs in coloration and does not get as large.
Body shape (shape guide): fusiform / normal; Cross section: compressed.

Biologie     Glossaire (ex. epibenthic)

Uncommon in atoll reef flats, lagoon patch reefs, and steep outer reef slopes. Solitary and secretive species, occasionally seen in small crevices in clear water habitats (Ref. 48635). Strictly nocturnal, feeds mainly on benthic crabs and shrimps. Spine of preopercle is venomous. Usually among rich coral growth (Ref 90102).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

Référence principale Upload your references | Références | Coordinateur : Randall, John E. | Collaborateurs

Randall, J.E., 1998. Revision of the Indo-Pacific squirrelfishes (Beryciformes: Holocentridae: Holocentrinae) of the genus Sargocentron, with descriptions of four new species. Indo-Pac. Fish. (27):105 p. (Ref. 27370)

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-1)

  Préoccupation mineure (LC) ; Date assessed: 04 March 2015

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Venomous (Ref. 2334)





Utilisations par l'homme

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Écologie trophique
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Écologie
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Estimates based on models

Preferred temperature (Réf. 123201): 25.4 - 29.3, mean 28.5 °C (based on 2812 cells).
Phylogenetic diversity index (Réf. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01660 (0.00788 - 0.03495), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Niveau trophique (Réf. 69278):  3.6   ±0.59 se; based on food items.
Résilience (Réf. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (35 of 100). 🛈
Nutrients (Ref. 124155):  Calcium = 36.9 [15.0, 137.7] mg/100g; Iron = 0.432 [0.170, 1.218] mg/100g; Protein = 18.7 [17.6, 19.9] %; Omega3 = 0.128 [0.057, 0.285] g/100g; Selenium = 32.5 [20.2, 58.3] μg/100g; VitaminA = 64.4 [25.9, 163.6] μg/100g; Zinc = 1.53 [0.64, 2.83] mg/100g (wet weight);