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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Nasinae
Etymology: Naso: Latin, nasus = nose (Ref. 45335); elegans: From the Latin for choice, fine, or nice (Ref. 37792).
More on author: Rüppell.
Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser riff-verbunden; tiefenbereich 5 - 30 m (Ref. 90102). Tropical; 30°N - 35°S, 30°E - 118°E (Ref. 37792)
Indian Ocean: Red Sea south to Durban, South Africa and east through the islands of the western Indian Ocean to southwestern Indonesia, at least to Bali.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 45.0 cm SL Männchen/unbestimmt; (Ref. 37792); common length : 35.0 cm TL Männchen/unbestimmt; (Ref. 30573)
Rückenflossenstacheln (insgesamt) : 6; Rückenflossenweichstrahlen (insgesamt) : 26 - 30; Afterflossenstacheln: 2; Afterflossenweichstrahlen: 27 - 30. Dorsal fin yellow with a blue line at base and a black band above this; anal and pelvic fins dark brown; dorsal and anal fins with a narrow blue margin and black submarginal line; caudal fin yellowish with black upper and lower margins and a submarginal black band posteriorly (Ref. 37792). Caudal fin emarginate with adult males having trailing filaments from each corner (Ref. 37792).
Body shape (shape guide): short and / or deep.
Inhabits coastal and sheltered reef flats in small groups and schools in oceanic locations (Ref. 48637). Also found in rocky bottoms in about 5-30 m (Ref. 90102). Feeds on benthic algae (Ref. 37792).
Lebenszyklus und Paarungsverhalten
Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fruchtbarkeit | Larven
Randall, J.E., 2001. Surgeonfishes of Hawai'i and the world.. Mutual Publishing and Bishop Museum Press, Hawai'i. 123 p. (Ref. 37792)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: kommerziell
Tools
Zusatzinformationen
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Internet Quellen
Schätzungen auf der Grundlage von Modellen
Phylogenetischer Diversitätsindex (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.02344 (0.00977 - 0.05627), b=2.96 (2.76 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trophische Ebene (Ref. 69278) |
2.0 ±0.00 se; based on food items. |
Widerstandsfähigkeit (Ref. 120179) |
mittel, Verdopplung der Population dauert 1,4 - 4,4 Jahre. (Preliminary K or Fecundity.). |
Anfälligkeit der Fischerei (Ref. 59153) |
Moderate to high vulnerability (46 of 100). 🛈 |
Preiskategorie (Ref. 80766) |
Medium.
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Nährstoffe (Ref. 124155) |
Calcium = 41.6 [21.5, 68.7] mg/100g; Iron = 0.541 [0.290, 0.972] mg/100g; Protein = 18.2 [16.9, 19.4] %; Omega3 = 0.0915 [, ] g/100g; Selenium = 33.6 [17.0, 66.5] μg/100g; VitaminA = 38.8 [8.8, 158.6] μg/100g; Zinc = 1.34 [0.88, 2.05] mg/100g (wet weight); |