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> Acanthuriformes (Surgeonfishes) > Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Nasinae
Etymology: Naso: Latin, nasus = nose (Ref. 45335); tergus: Name from the word 'tergus' meaning ‘to hide’, refers to the typical appearance of this species that makes it resemble subadults of many other Naso species..

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

marien rifbewoner; diepte 70 - 80 m (Ref. 87782). Subtropical

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Western Pacific: Japan, Taiwan and the Philippines.

Grootte / Gewicht / Leeftijd

Maturity: L_m ? range ? - ? cm
Max length : 34.7 cm SL mannelijk / geslacht onbekend; (Ref. 87782); 32.5 cm SL (female)

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Dorsale stekels (totaal) : 6; Dorsale zachte stralen (totaal) : 26 - 30; Anale stekels: 2; Anale zachte stralen: 26 - 28. This species differs from its congeners in having D VI; acute head, without rostral projection or tuberosity in adults; bony plates of caudal peduncle 2; relatively large eye (6.3-7.2% SL); median body depth, 2.8-2.9 in SL; teeth on upper jaw 100-120, on lower jaw 90-110; uniformly brownish body color; relatively small adult size which might not exceed 350 mm SL; and a different genome structure (Ref. 87782).

This species feeds on benthic crustaceans and bivalves, indicating that this fish feeds on marine organisms living on the sea floor. Caught by bottom gill-net and hook and line at 70-80 m depth (Ref. 87782).

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Ho, H.-C., K.-N. Shen and C.-W. Chang, 2011. A new species of the unicornfish genus Naso (Teleostei: Acanthuridae) from Taiwan, with comments on its phylogenetic relationship. The Raffles Bull. Zool. 59(2):205-211. (Ref. 87782)

Status op de Rode Lijst van het IUCN (Ref. 130435)

Niet geëvalueerd

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

Harmless

Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01995 (0.00906 - 0.04395), b=3.00 (2.82 - 3.18), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).

Trofisch niveau (Ref. 69278): 2.4 ±0.1 se; based on size and trophs of closest relatives

Weerstandsvermogen (Ref. 120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low to moderate vulnerability (32 of 100).

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Naso tergus Ho, Shen & Chang, 2011