You can sponsor this page

Epinephelus rivulatus (Valenciennes, 1830)

Halfmoon grouper
Waarneming toevoegen in Fish Watcher
Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Epinephelus rivulatus   AquaMaps   Data sources: GBIF OBIS
Uploaden van uw Foto's en video's
Pictures | Google afbeelding
Image of Epinephelus rivulatus (Halfmoon grouper)
Epinephelus rivulatus
Picture by Randall, J.E.


Philippines country information

Common names: Bulang, Halfmoon grouper, Kurapu
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: commercial | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Recorded from Lanuza Bay (Ref. 104756). Museum: AMSP 47506 (Holotype of E. matterni. Basilan Is., ZUMT 39403. Negros, Dumaguete, SU 27550. Also Ref. 4787, 89707, 121724.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Heemstra, P.C. and J.E. Randall, 1993
National Database:

Common names from other countries

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

> Perciformes/Serranoidei (Groupers) > Epinephelidae (Groupers)
Etymology: Epinephelus: Greek, epinephelos = cloudy (Ref. 45335).
  More on author: Valenciennes.

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

marien rifbewoner; diepte 1 - 150 m (Ref. 9710).   Subtropical; 36°N - 36°S, 23°E - 175°E (Ref. 5222)

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

Indo-West Pacific: East Africa to the western Pacific, southward into temperate waters of South Africa, Australia, and New Zealand. Not known from the Red Sea or Persian Gulf.

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturity: Lm 19.4, range 14 - ? cm
Max length : 45.0 cm TL mannelijk / geslacht onbekend; (Ref. 90102); max. gepubliceerd gewicht: 1.4 kg (Ref. 5222)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 11; Dorsale zachte stralen (totaal) : 16 - 18; Anale stekels: 3; Anale zachte stralen: 8. Characterized by red-brown head; body mottled pale-brown color; 5-6 irregular dark brown bars on body; caudal fin dark brown with pale speckling; body scales ctenoid except cycloid anterodorsally above lateral line, on nape, thorax and abdomen; body with auxiliary scales only anterodorsally behind zone of small cycloid scales; greatest depth of body; 2.7-3.2 in SL; rounded caudal fin; pelvic fins, 1.9-2.4 in head length (Ref. 90102); body depth contained 2.7-3.2 times in SL; head length 2.3-2.6 times in SL; head length 2.3-2.6 times in SL; flat to slightly convex interorbital area, dorsal head profile convex; snout length 4.0-5.0 in HL; angular preopercle, with enlarged serrae at angle; straight upper edge of operculum, almost horizontal; posterior and anterior nostril subequal in size; maxilla reaches to or past vertical at rear edge of eye, ventral edge with slight step at distal expansion; 2-3 rows of teeth on midlateral part of lower jaw; pyloric caeca (Ref. 89707).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Sedentary reef-associated species (Ref. 89707). Occurs on coral reefs, areas with rocky substrata, algal flats and seagrass beds. Feeds on fishes and crustaceans (Ref. 30573). A protogynous hermaphrodite (Ref. 55367). Forms spawning aggregations (Ref. 55367). Solitary (Ref 90102).

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

A monandric species (Ref. 55367). Length at sex change = 75.6 cm TL (Ref. 55367).

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Heemstra, P.C. and J.E. Randall, 1993. FAO Species Catalogue. Vol. 16. Groupers of the world (family Serranidae, subfamily Epinephelinae). An annotated and illustrated catalogue of the grouper, rockcod, hind, coral grouper and lyretail species known to date. Rome: FAO. FAO Fish. Synop. 125(16):382 p. (Ref. 5222)

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

  Niet bedreigd (LC) ; Date assessed: 15 February 2017

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless




Gebruik door de mens

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

Meer informatie

Trophic ecology
Voedselitems
Diet compositions
Food consumptions
Food rations
Predatoren
Ecology
Ecologie
Home ranges
Population dynamics
Growths
Max. ages / sizes
Length-weight rel.
Length-length rel.
Lengtefrequenties
Mass conversions
Recruitments
Abundances
Life cycle
Voortplanting
Maturities
Fecundities
Spawnings
Spawning aggregations
Egg(s)
Egg developments
Larven
Larvale populatiedynamiek
Distribution
Landen
FAO regio's
Ecosystemen
Voorkomen
Introducties
BRUVS - Videos
Anatomy
Gill areas
Hersenen
Otolieten
Physiology
Body compositions
Nutrients
Oxygen consumptions
Zwemtype
Swimming speeds
Visual pigment(s)
Visgeluiden
Diseases / Parasites
Toxicities (LC50s)
Genetics
Genetica
Electrophoreses
Heritabilities
Human related
Aquaculture systems
Aquacultuurprofielen
Kweeklijnen
Ciguatera cases
Stamps, coins, misc.
Outreach
Medewerkers
References
Referenties

Tools

Speciale rapporten

Download XML

Internetbronnen

Estimates based on models

Preferred temperature (Ref. 115969): 21.5 - 28.8, mean 27.2 (based on 1542 cells).
Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00794 - 0.01995), b=3.03 (2.90 - 3.16), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.6   ±0.54 se; based on food items.
Weerstandsvermogen (Ref. 120179):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (K=0.4).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (32 of 100).
Prijsklasse (Ref. 80766):   Very high.