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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Prionurinae
Etymology: Prionurus: Greek, prion, -onos = saw + Greek, oura = tail (Ref. 45335).
More on author: Lacepède.
Environment: milieu / climate zone / depth range / distribution range
Sinh thái học
Biển; Thuộc về nước lợ Cùng sống ở rạn san hô. Subtropical; 15°C - 20°C (Ref. 27115)
Western Pacific: eastern Australia, including Lord Howe Island (Ref. 2334) and Japan (Ref. 27683).
Bộ gần gũi / Khối lượng (Trọng lượng) / Age
Maturity: Lm ?  range ? - ? cm
Max length : 70.0 cm TL con đực/không giới tính; (Ref. 2334)
Các tia vây lưng cứng (tổng cộng) : 8; Các vây lưng mềm (tổng cộng) : 21 - 22; Tia cứng vây hậu môn: 3; Tia mềm vây hậu môn: 20 - 21. Colour grey-brown with indistinct dark bars on side of body, the 5 to 7 peduncular plates black. Body depth of subadults about 2 times in SL, the body becoming more elongate with age (to as much 3 times in SL in large adults). Adults developing a pronounced protuberance anteriorly on snout (Ref 9808).
Occurs along rocky shores and feeds on benthic algae. Juveniles found in estuaries and bays (Ref. 9710).
Life cycle and mating behavior
Maturities | Sự tái sinh sản | Spawnings | Egg(s) | Fecundities | Ấu trùng
Probably spawn in pairs (Ref. 240).
Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Các nghề cá: Tính thương mại; Bể nuôi cá: Tính thương mại
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Estimates based on models
Preferred temperature (Ref.
123201): 18.1 - 25.4, mean 23.3 °C (based on 108 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01122 (0.00514 - 0.02450), b=3.04 (2.87 - 3.21), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Mức dinh dưỡng (Ref.
69278): 2.7 ±0.30 se; based on food items.
Thích nghi nhanh (Ref.
120179): Trung bình, thời gian nhân đôi của chủng quần tối thiểu là 1.4 - 4.4 năm (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (48 of 100).
Nutrients (Ref.
124155): Calcium = 19 [10, 45] mg/100g; Iron = 0.486 [0.236, 0.884] mg/100g; Protein = 19.9 [18.9, 20.9] %; Omega3 = 0.198 [0.110, 0.409] g/100g; Selenium = 15.4 [6.7, 29.4] μg/100g; VitaminA = 30.3 [9.6, 99.9] μg/100g; Zinc = 0.948 [0.626, 1.460] mg/100g (wet weight);