पर्यावरण: पर्यावरण / जलवायु क्षेत्र / गहराई सीमा / वितरण सीमा
पारिस्थितिकी
समुद्री प्रवाल-भित्ति संयुक्त; गहराई सीमा 3 - 46 m (Ref. 1602), usually 9 - 46 m (Ref. 1602). Tropical; 24°C - 28°C (Ref. 27115); 35°N - 32°S, 95°E - 139°W
Pacific Ocean: Christmas Island and Cocos-Keeling Islands in the eastern Indian Ocean to the Hawaiian and Tuamoto islands, north to Japan, south to Lord Howe Island. Replaced by Acanthurus tennenti in the Indian Ocean (Ref. 37816).
आकार / वज़न / आयु
परिपक्व अवधि: Lm ? range ? - ? cm
Max length : 35.0 cm TL पुल्लिंग / अलिंग; (Ref. 2334); अधिकतम सूचित उम्र: 33 वर्षो (Ref. 52229)
पृष्ठीय रीढ़ (सम्पूर्ण) : 9; पृष्ठीय सौफट रेज़ (सम्पूर्ण) : 23 - 25; गुदा कांटा: 3; ऐनल सौफट रेज़: 22 - 24. Body of adult dark grayish brown; juveniles yellow; posterior to upper end of gill opening is a bright orange horizontal band, with purplish black border. Head and anterior half of body usually abruptly paler than the posterior half. Anterior gill rakers 24-28; posterior 23-27. Large adult males (about 17 cm) with more definite convexity of snout profile.
Body shape (shape guide): short and / or deep; Cross section: compressed.
Inhabit seaward reefs, in areas of bare rock or mixed rubble and sand, from 9 to at least 46 m depth; juveniles inhabit protected bays and lagoons, singly or in small groups in as little as 3 m (Ref. 1602, 48637). Benthopelagic (Ref. 58302). Adults occur singly or in schools and feed on surface film of detritus, diatoms, and fine filamentous algae covering sand and bare rock (Ref. 1602). Rarely poisonous (Ref. 4795).
जीवन चक्र और संभोग व्यवहार
परिपक्व अवधि | पुनरुत्पत्ति | मछलीऔ का अंडे देना | अंडे | उपजाऊपन | लार्वा
Randall, J.E., 1956. A revision of the surgeonfish genus Acanthurus. Pac. Sci. 10(2):159-235. (Ref. 1920)
आईयूसीएन रेड लिस्ट स्थिति (Ref. 130435: Version 2025-2 (Global))
मानव उपयोग
मात्स्यिकी: व्यापारिक; जलजीवालय: व्यापारिक
साधन
विशेष रिपोर्ट
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इंटरनेट स्रोत
मॉडल पर आधारित अनुमान
पसंदीदा तापमान (संदर्भ
123201): 24.5 - 28.7, mean 27.3 °C (based on 356 cells).
जातिवृति विविधता सूचकांक (संदर्भ
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02570 (0.01664 - 0.03970), b=3.01 (2.88 - 3.14), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
ट्रॉफिक स्तर (संदर्भ
69278): 2.3 ±0.17 se; based on food items.
Generation time: 1.0 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
लौटाव (संदर्भ
120179): बहुत नीचे, न्यूनतम जनसंख्या दुगनी समय अवलागत 14 महीने। (tmax=33).
मछली पकड़ने की भेद्यता (Ref.
59153): Low vulnerability (18 of 100).
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पोषक तत्व (Ref.
124155): Calcium = 69.2 [29.5, 211.4] mg/100g; Iron = 0.926 [0.341, 2.370] mg/100g; Protein = 18.5 [17.2, 19.7] %; Omega3 = 0.109 [0.049, 0.238] g/100g; Selenium = 23.8 [8.1, 73.5] μg/100g; VitaminA = 23.6 [5.9, 93.8] μg/100g; Zinc = 2.68 [0.83, 4.91] mg/100g (wet weight);
