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Naso thynnoides (Cuvier, 1829)

Oneknife unicornfish
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Native range | All suitable habitat | Point map | Year 2050
This map was computer-generated and has not yet been reviewed.
Naso thynnoides   AquaMaps   Data sources: GBIF OBIS
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Image of Naso thynnoides (Oneknife unicornfish)
Naso thynnoides
Picture by Greenfield, J.

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

> Acanthuriformes (Surgeonfishes) > Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Nasinae
Etymology: Naso: Latin, nasus = nose (Ref. 45335).
More on author: Cuvier.

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

marien rifbewoner; diepte 2 - 40 m (Ref. 48637), usually 10 - ? m. Tropical

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Indo-Pacific: East Africa to Micronesia (excluding the Marshall Islands), north to the Ryukyu Islands, south to the Solomon Islands and the Great Barrier Reef. Range extending to Rangiroa Atoll, Tuamotu Archipelago.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm FL mannelijk / geslacht onbekend; (Ref. 9710); common length : 25.0 cm FL mannelijk / geslacht onbekend; (Ref. 9710)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 4; Dorsale zachte stralen (totaal) : 28 - 30; Anale stekels: 2; Anale zachte stralen: 27 - 29. Body elongate-ovate. Dorsal and anal profiles nearly even. Forehead without rostral prominence when in adults. Peduncular plate single, with a semicircular, retrorsely curved keel. Reaches 35 cm SL.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Generally uncommon species found in steep outer lagoon and seaward reef slopes (Ref. 9710, 48637). Maximum depth reported at 40m (Ref. 37792) Occurs singly or in large schools (Ref. 9710, 48637). Usually seen swimming steadily along upper edges of drop-offs in pursuit of plankton (Ref. 48637). A semi-pelagic fish that feeds on zooplankton, but remains over or near reefs. Also feeds on algae (Ref. 30573). It is cleaned by Labroides and sleeps on reefs at night, taking on a disruptive mottled pattern (Ref. 10671). Caught with nets (Ref. 30573).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator : Randall, John E. | Medewerkers

Randall, J.E., 1994. Unicornfishes of the subgenus Axinurus Perciformes: Acanthuridae: Naso), with description of a new species. Copeia 1994(1):116-124. (Ref. 10671)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)

  Niet bedreigd (LC) ; Date assessed: 06 May 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: commercieel; Aquarium: Commercieel
FAO - Publication: search | FishSource | Sea Around Us

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