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Rhinecanthus rectangulus (Bloch & Schneider, 1801)

Wedge-tail triggerfish
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Native range | All suitable habitat | Point map | Year 2050
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Rhinecanthus rectangulus   AquaMaps   Data sources: GBIF OBIS
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Image of Rhinecanthus rectangulus (Wedge-tail triggerfish)
Rhinecanthus rectangulus
Picture by Muséum-Aquarium de Nancy/D. Terver


Papua New Guinea country information

Common names: Wedgetailed triggerfish
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Known from Kimbe bay (Ref. 28888).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/pp.html
National Fisheries Authority: http://www.spc.org.nc/coastfish/Countries/PNG/png.htm
Occurrences: Occurrences Point map
Main Ref: Kailola, P.J., 1991
National Database:

Common names from other countries

Classification / Names Κοινά ονόματα | Συνώνυμα | Catalog of Fishes(Γένος, Είδη) | ITIS | CoL | WoRMS | Cloffa

> Tetraodontiformes (Puffers and filefishes) > Balistidae (Triggerfishes)
Etymology: Rhinecanthus: Greek, rhinos = nose + Greek, akantha = thorn (Ref. 45335).
  More on authors: Bloch & Schneider.

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

Θαλασσινό(ά) Υφαλόφιλο(α); εύρος βάθους 0 - 20 m (Ref. 9770).   Tropical; 30°N - 32°S

Κατανομή Χώρες | Περιοχές FAO | Οικοσυστήματα | Παρουσίες | Point map | Εισαγωγές | Faunafri

Indo-Pacific: Red Sea south to East Africa through Indonesia and northern Australia up to Hawaii and Pitcairn islands; north to southern Japan.

Μέγεθος / Βάρος / Age

Maturity: Lm ?  range ? - ? cm
Max length : 30.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 30573)

Short description Κλείδες προσδιορισμού | Μορφολογία | Μορφομετρία

Ραχιαίες άκανθες (συνολικά) : 3; Μαλακές ραχιαίες ακτίνες (συνολικά) : 22 - 25; Εδρικές άκανθες: 0; Μαλακές εδρικές ακτίνες: 20 - 22. Body orange-brown above; head and belly white; soft dorsal, anal and pectoral fins pale; caudal fin dusky (Ref. 4420).

Βιολογία     Γλωσσάρι (π.χ. epibenthic)

Occur in shallow outer reefs subject to surge (Ref. 9770, 48637). Commonly found over barren rock or the spur-and-groove zone where there is a mixture of bare rock, rubble, and coral. Juveniles on algae reef (Ref. 48637). Benthopelagic (Ref. 58302). Feed on algae, detritus, mollusks, crustaceans, worms, echinoderms, fishes, sponges, foraminiferans, and eggs. Territorial. Oviparous (Ref. 205). Also taken by drive-in nets (Ref. 9770). Minimum depth reported taken from Ref. 128797.

Life cycle and mating behavior Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες

Distinct pairing (Ref. 205).

Main reference Upload your references | Αναφορές | Συντονιστής : Matsuura, Keiichi | Συνεργάτες

Matsuura, K., 2001. Balistidae. Triggerfishes. p. 3911-3928. In K.E. Carpenter and V. Niem (eds.) FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Vol. 6. Bony fishes part 4 (Labridae to Latimeriidae), estuarine crocodiles. FAO, Rome. (Ref. 9770)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 14 January 2022

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless




Human uses

αλιεία: περιορισμένης εμπορικότητας; Ενυδρείο: Εμπορικό(ά)

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Διαδικτυακές πηγές

Estimates based on models

Preferred temperature (Ref. 115969): 24.8 - 29.3, mean 28.3 (based on 2985 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02570 (0.01489 - 0.04438), b=2.92 (2.77 - 3.07), in cm Total Length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245).
Τροφικό Επίπεδο (Ref. 69278):  3.5   ±0.3 se; based on diet studies.
Ελαστικότητα (Ref. 120179):  Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (20 of 100).
Price category (Ref. 80766):   Medium.