分類 / Names
俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Eupercaria/misc (Various families in series Eupercaria)
鱸形目 (Various families in series Eupercaria) >
Lethrinidae (Emperors or scavengers)
裸頰鯛科 (Emperors or scavengers) > Monotaxinae
Etymology: Gymnocranius: Greek, gymnos = naked + Greek, kranion = skull (Ref. 45335).
More on authors: Temminck & Schlegel.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 礁區魚類; 非遷移的; 深度上下限 15 - 80 m (Ref. 2295). 熱帶; 35°N - 9°S
Indo-West Pacific: southern Japan to the Indo-Malaysian region, probably eastward to India. Has often been confused w/ the young of Gymnocranius grandoculis, hence its distributional limits are somewhat obscure. Records of Gymnocranius griseus from the Western Indian Ocean probably pertain to Gymnocranius grandoculis.
印度-西太平洋: 日本南部到印度-馬來群島區域,可能向東至印度。 已經時常是困惑的 w/ 藍線裸頂鯛〔Gymnocranius grandoculis〕 的幼魚, 它的分佈限制由此而來是略微模糊。 白鱲〔Gymnocranius griseus〕 從西印度洋的記錄可能屬於 藍線裸頂鯛〔Gymnocranius grandoculis〕 。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 35.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2295); common length : 25.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2295)
背棘 (總數) : 10; 背的軟條 (總數) : 9 - 10; 臀棘: 3; 臀鰭軟條: 9 - 10.
眼直徑是相當大的, 它的直徑大約等於或略大超過眶前骨與眼間骨寬度。 整體的色彩是銀色的, 側邊上經常有一個 5 到的擴散生動圖案 8條狹窄的深色橫帶, 包括一個經過眼與越過頰部。 鰭主要是清澈的到淡黃色的; 有時在背鰭、尾鰭與臀鰭上有擴散的雜斑或斑點。 時常有橫過胸鰭的基底的一條狹窄的褐色橫帶。 一些成魚在吻部與頰上持有一些分散的藍色斑點或雜亂的斑紋。 (參考文獻 2295) 相當卵形的身體與尖的尾葉是明顯的。 (參考文獻 37816)
In sheltered coastal bays and sand and mud slopes in depths over 20 m (Ref. 48635); also in coastal trawling grounds. Juveniles sometimes in shallow estuaries on algae reefs (Ref. 48635). Sometimes forms schools. Feeds on bottom-living invertebrates. Sexually mature upon reaching 15-17 cm SL. Sometimes caught with handlines and marketed dried (Ref. 9775) or fresh. In Hong Kong live fish markets (Ref. 27253).
在掩蔽的近岸海灣與沙子與泥斜坡深度超過 20 公尺中;(參考文獻 48635) 也在海岸的拖網漁場中。 稚魚有時在水淺的河口中在藻礁上.(參考文獻 48635) 有時形成魚群。 吃底棲無脊椎動物。 性成熟當達到 15-17 公分 SL。 有時用手執的釣絲捕獲了而且在市場上銷售乾燥的 (參考文獻 9775) 或新鮮的。 在香港活魚販售。 (參考文獻 27253)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
印度-西太平洋: 日本南部到印度-馬來群島區域,可能向東至印度。 已經時常是困惑的 w/ 藍線裸頂鯛〔Gymnocranius grandoculis〕 的幼魚, 它的分佈限制由此而來是略微模糊。 白鱲〔Gymnocranius griseus〕 從西印度洋的記錄可能屬於 藍線裸頂鯛〔Gymnocranius grandoculis〕 。
Carpenter, K.E. and G.R. Allen, 1989. FAO Species Catalogue. Vol. 9. Emperor fishes and large-eye breams of the world (family Lethrinidae). An annotated and illustrated catalogue of lethrinid species known to date. FAO Fish. Synop. 125(9):118 p. Rome: FAO. (Ref. 2295)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 09 March 2015
人類使用
漁業: 商業性; 游釣魚種: 是的
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Estimates based on models
Preferred temperature (Ref.
123201): 24.2 - 28.8, mean 28.1 °C (based on 445 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5010 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01698 (0.00734 - 0.03932), b=2.98 (2.79 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.2 ±0.44 se; based on food items.
Generation time: 5.0 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (K=0.22).
Fishing Vulnerability (Ref.
59153): Moderate vulnerability (38 of 100).
Nutrients (Ref.
124155): Calcium = 39.5 [20.2, 69.1] mg/100g; Iron = 0.519 [0.283, 0.847] mg/100g; Protein = 19.2 [17.2, 21.2] %; Omega3 = 0.128 [0.075, 0.187] g/100g; Selenium = 34.9 [21.0, 60.2] μg/100g; VitaminA = 81.5 [24.8, 238.5] μg/100g; Zinc = 1.32 [0.94, 1.79] mg/100g (wet weight);
