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Naso caeruleacauda Randall, 1994

Blue unicorn
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Native range | All suitable habitat | Point map | Year 2050
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Naso caeruleacauda   AquaMaps   Data sources: GBIF OBIS
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Image of Naso caeruleacauda (Blue unicorn)
Naso caeruleacauda
Picture by Randall, J.E.

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

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

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

marin récifal; profondeur 15 - 45 m (Ref. 90102). Tropical

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Western Central Pacific: Philippines and Indonesia.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm SL mâle / non sexé; (Ref. 48637); poids max. publié: 1.1 kg (Ref. 125599)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 4 - 5; Rayons mous dorsaux (Total) : 28 - 30; Épines anales: 2; Rayons mous anaux: 29. No narrow dark bars on body. Caudal fin blue in life. Dorsal profile of head from above upper lip to above centre of eye straight. Anterior interorbital region and adjacent space between nostrils strongly convex. Body depth 2.75 to 2.8 times in SL (Ref 9808).

Biologie     Glossaire (ex. epibenthic)

Found in schools, mainly along outer reef walls to moderate depths in pursuit of plankton (Ref. 48637).

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

Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2024-1)

  Préoccupation mineure (LC) ; Date assessed: 04 May 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

FAO - Publication: search | FishSource |

Plus d'informations

Trophic ecology
Éléments du régime alimentaire
Composition du régime alimentaire
Consommation alimentaire
Food rations
Prédateurs
Ecology
Écologie
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Length-weight rel.
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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Preferred temperature (Ref. 123201): 26.5 - 29.1, mean 28 °C (based on 88 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02089 (0.01210 - 0.03607), b=2.95 (2.80 - 3.10), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  2.3   ±0.1 se; based on size and trophs of closest relatives
Résilience (Ref. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Moderate vulnerability (39 of 100).
Nutrients (Ref. 124155):  Calcium = 43.9 [26.9, 85.0] mg/100g; Iron = 0.584 [0.301, 1.009] mg/100g; Protein = 18.6 [17.4, 19.6] %; Omega3 = 0.125 [0.079, 0.230] g/100g; Selenium = 33.8 [17.9, 60.1] μg/100g; VitaminA = 60.2 [18.6, 193.1] μg/100g; Zinc = 1.6 [1.1, 2.3] mg/100g (wet weight);