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Rhinecanthus rectangulus  (Bloch & Schneider, 1801)

Wedge-tail triggerfish
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Native range | All suitable habitat | Point map | Year 2100
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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 Randall, J.E.

Classification / Names Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (ray-finned fishes) > Tetraodontiformes (Puffers and filefishes) > Balistidae (Triggerfishes)
Etymology: Rhinecanthus: Greek, rhinos = nose + Greek, akantha = thorn (Ref. 45335).

Environment / Climate / Range Ecology

Marine; reef-associated; depth range 10 - 20 m (Ref. 9770).   Tropical, preferred ?; 30°N - 32°S

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Indo-Pacific: Red Sea south to East London, South Africa (Ref. 4420) and east through Indonesia to the Marquesan Islands, north to southern Japan, south to Lord Howe Island.

Size / Weight / Age

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

Short description Morphology | Morphometrics

Dorsal spines (total): 3; Dorsal soft rays (total): 22-25; Anal spines: 0; Anal soft rays: 20 - 22. Body orange-brown above; head and belly white; soft dorsal, anal and pectoral fins pale; caudal fin dusky (Ref. 4420).

Biology     Glossary (e.g. 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).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Distinct pairing (Ref. 205).

Main reference Upload your references | References | Coordinator : Matsuura, Keiichi | Collaborators

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. 115185)

CITES (Ref. 94142)

Not Evaluated

Threat to humans

  Harmless




Human uses

Fisheries: minor commercial; aquarium: commercial
FAO(Publication : search) | FisheriesWiki | Sea Around Us

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