Classification / Names
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Acanthuriformes (Surgeonfishes) >
Acanthuridae (Surgeonfishes, tangs, unicornfishes) > Acanthurinae
Etymology: Acanthurus: Greek, akantha = thorn + Greek, oura = tail (Ref. 45335); reversus: Named in reference to the reversal of the color pattern of the caudal fin compared to that of A. olivaceus, its closest relative..
More on authors: Randall & Earle.
Environment: milieu / climate zone / depth range / distribution range
पारिस्थितिकी
समुद्री प्रवाल-भित्ति संयुक्त; गहराई सीमा 4 - 15 m (Ref. 41630). Tropical
Eastern Central Pacific: Marquesas Islands.
आकार / वज़न / Age
Maturity: Lm ? range ? - ? cm
Max length : 34.0 cm TL पुल्लिंग / अलिंग; (Ref. 89972)
Short description
पहचान कुंजी | आकृति विज्ञान | मौरफोमैटरिक्स
पृष्ठीय रीढ़ (सम्पूर्ण) : 9; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 24 - 25; गुदा कांटा: 3; ऐनल सौफट रेज़: 23 - 24. Caudal concavity 3.35-4.7 in SL; brown in life, the posterior half of body sometimes abruptly paler, with an elongate orange spot extending posteriorly from upper end of gill opening, the posterior half enclosed by a broad, deep blue band that extends beyond tip of pectoral fin; dorsal and anal fin base with a faint orange line, the soft portion of the dorsal with three dark longitudinal bands on outer one-half of fin, the anal fin with a narrow blue margin; caudal fin pale yellow with a broad black posterior border that narrows as it extends onto elongate lobes of fin; outer one-third of pectoral fins abruptly white; juveniles bright yellow with blue margins on dorsal and anal fins (Ref. 41630).
Found inshore (Ref. 41630). Feeds on filamentous algae (Ref. 89972).
Life cycle and mating behavior
Maturities | पुनरुत्पत्ति | Spawnings | Egg(s) | Fecundities | लार्वा
Randall, J.E. and J.L. Earle, 1999. Acantharus reversus, a new species of surgeonfish (Perciformes: Acanthuridae) from the Marquesas Islands. Proc. Calif. Acad. Sci. 51(14):473-481. (Ref. 41630)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
साधन
Special reports
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इंटरनेट स्रोत
Estimates based on models
Preferred temperature (Ref.
123201): 27.5 - 29, mean 28 °C (based on 106 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02344 (0.01103 - 0.04981), b=2.96 (2.79 - 3.13), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 2.1 ±0.1 se; based on size and trophs of closest relatives
लौटाव (Ref.
120179): माध्यम, न्यूनतम जनसंख्या दुगनी होने का समय 1.4 - 4.4 वर्ष। (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (24 of 100).
Nutrients (Ref.
124155): Calcium = 60.2 [25.8, 177.6] mg/100g; Iron = 0.748 [0.283, 1.834] mg/100g; Protein = 18.2 [16.9, 19.5] %; Omega3 = 0.0919 [, ] g/100g; Selenium = 15.1 [5.2, 43.5] μg/100g; VitaminA = 40.6 [9.6, 161.2] μg/100g; Zinc = 2.83 [0.88, 5.30] mg/100g (wet weight);
