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Naso thynnoides (Cuvier, 1829)

Oneknife unicornfish
إضافة ملاحظاتك Fish Watcher
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.

التصنيف / Names الأسماء الشائعة | مرادفات | Catalog of Fishes(جنس, الانواع) | 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 البيئة

بحري مرتبطة بالشعاب; نطاق العمق 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.

الحجم / وزن / العمر

Maturity: Lm ?  range ? - ? cm
Max length : 40.0 cm FL ذكر/ مختلط الجنس; (Ref. 9710); common length : 25.0 cm FL ذكر/ مختلط الجنس; (Ref. 9710)

وصف مختصر مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي

الأشواك الظهرية (المجموع) : 4; الأشعة الظهرية الناعمة (المجموع) : 28 - 30; شوكة شرجية: 2; أشعه شرجية لينه: 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.

أحياء     المصطلحات (على سبيل المثال 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).

Life cycle and mating behavior Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae

المرجع الرئيسي Upload your references | مراجع | المنظم : Randall, John E. | المتعاونين

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)

IUCN Red List Status (Ref. 130435)

  Least Concern (LC) ; Date assessed: 06 May 2010

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

خطر للأنسان

  Harmless





استخدامات بشرية

مصائد: تجاري; حوض مائي: تجاري
FAO - Publication: search | FishSource | البحر حولنا

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مصادر علي الأنترنت

Estimates based on models

Preferred temperature (Ref. 123201): 24.7 - 29, mean 27.7 °C (based on 470 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01950 (0.01114 - 0.03412), b=3.09 (2.94 - 3.24), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
مستوى غذائي (Ref. 69278):  3.0   ±0.32 se; based on food items.
المرونه (Ref. 120179):  وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low to moderate vulnerability (34 of 100).
فئة السعر (Ref. 80766):   Medium.
Nutrients (Ref. 124155):  Calcium = 42.7 [26.3, 73.0] mg/100g; Iron = 0.552 [0.287, 0.947] mg/100g; Protein = 19 [18, 20] %; Omega3 = 0.139 [0.094, 0.248] g/100g; Selenium = 31 [18, 49] μg/100g; VitaminA = 70.4 [28.1, 175.2] μg/100g; Zinc = 1.3 [0.9, 1.8] mg/100g (wet weight);