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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
Οικολογία
Θαλασσινό(ά); Υφάλμυρο Υφαλόφιλο(α). Subtropical; 15°C - 20°C (Ref. 27115)
Western Pacific: eastern Australia, including Lord Howe Island (Ref. 2334) and Japan (Ref. 27683).
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 70.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 2334)
Ραχιαίες άκανθες (συνολικά) : 8; Μαλακές ραχιαίες ακτίνες (συνολικά) : 21 - 22; Εδρικές άκανθες: 3; Μαλακές εδρικές ακτίνες: 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 | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
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
αλιεία: Εμπορικό(ά); Ενυδρείο: Εμπορικό(ά)
Εργαλεία
Special reports
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Διαδικτυακές πηγές
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).
Τροφικό Επίπεδο (Ref.
69278): 2.7 ±0.30 se; based on food items.
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (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);
