分類 / Names
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Eupercaria/misc (Various families in series Eupercaria) >
Labridae (Wrasses) > Corinae
Etymology: Hemigymnus: Greek, hemi = half + Greek, gymnos = naked (Ref. 45335).
Environment: milieu / climate zone / depth range / distribution range
生態学
海 関連する礁; 深さの範囲 1 - 20 m (Ref. 93095). Tropical
Western Indian Ocean: Red Sea, Gulf of Tadjoura, east in the Gulf of Aden at least to Sikha Island, southwest of Al Mukallah, Yemen.
サイズ / 重さ / 年齢
Maturity: Lm ? range ? - ? cm
Max length : 36.5 cm TL オス/雌雄の選別がない; (Ref. 93095)
簡単な記述
形態学 | 形態計測学
This species is distinguished by the following set of characters: gill rakers 20-23 (rarely 23); long pelvic fins, reaching anus in mature females and to or beyond origin of anal fin in males, one to spinous portion of fin; small juveniles are dark green, mottled with light yellowish green, with a white bar from anterior part of dorsal fin to abdomen, 4 faint narrower bars posteriorly, a pale bar on nape, 2 ventrally on chest; larger juveniles are dark brown with more distinct pale yellow bars; body of small females black with 5 white bars, progressively narrower posteriorly, the last posteriorly on caudal peduncle faint, the first two expanding ventrally; head white with a curving black bar from nape to eye; snout and interorbital are green with irregular pink bands radiating from eye; pectoral-fin rays yellow, membranes transparent; female in the process of sex change, indicated by the golden scale centers dorsally on the first dark bar of the body and on the dark olive bar of the nape; pelvic fins pale blue with orange streaks; body of males dark green, with spindle-shaped scales edged in light green; three pale gray bars on anterior two-thirds of body that broaden ventrally, the scale edges narrowly light green; first dark bar on body, ending at base of pectoral fin, with green margins and vertically elongate golden centers, many merging above and below, more as irregular vertical green and golden lines than as scale patterns; curving dark green bar of nape with golden scale centers, merging with a broad light yellowish brown band with irregular green bands that passes through eye onto snout; cheek with a broad near-white area, sparsely and faintly spotted with green, shading ventrally to blue; upper lip mainly greenish yellow; chest and abdomen pale blue with orange scale centers; pectoral-fin base in a large deep blue spot (Ref. 93095).
Occurs on coral reefs and adjacent habitats, on sand and coral rubble. The fish take a mouthful of sand and gravel from the substratum, where small fossorial prey are sorted out within the mouth and pharynx, and inorganic fragments are forcefully ejected from of the mouth. May also feed opportunistically on larger prey (crabs, echinoids, molluscs, ophiuroids, polychaetes) (Ref. 93095). Large breeding males in the Red Sea observed to exhibit h a reversal of the black-and-white barred color pattern of the body similar to H. fasciatus (Ref. 34222).
Life cycle and mating behavior
成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Oviparous, with distinct pairing during breeding (Ref. 205).
Randall, J.E., 2013. Review of the Indo-Pacific labrid fish genus Hemigymnus. J. Ocean Sci. Found. 6:2-18. (Ref. 93095)
Human uses
より多くの情報
共通名の類義語代謝捕食動物生態毒性繁殖成熟放精卵の集合体生産力卵卵の開発
Age/Size成長体長-重さLength-length体長組成形態計測学形態学幼生幼生の動力補充豊度BRUVS
参考文献水産養殖水産養殖の紹介緊張遺伝子のElectrophoreses遺伝病気行列NutrientsMass conversion
協力者画像Stamps, Coins Misc.音シガテラ（食中毒の名前）速度泳ぐ 型式カマOtoliths脳視覚
用具
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インターネットの情報源
Estimates based on models
Preferred temperature (Ref.
123201): 26.9 - 29.2, mean 28.2 °C (based on 249 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.6250 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00977 (0.00470 - 0.02030), b=3.07 (2.89 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
栄養段階 (Ref.
69278): 3.5 ±0.4 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 手段, １．４年～４．４年の倍増期間の最小個体群 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (27 of 100).
