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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) > Lethrininae
Etymology: Lethrinus: Greek, lethrinia, a fish pertaining to genus Pagellus.
More on author: Valenciennes.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 半鹹淡水 礁區魚類; 非遷移的; 深度上下限 5 - 25 m (Ref. 1602). 熱帶; 35°N - 30°S
Indo-West Pacific: Indonesia (including eastern Indian Ocean side), northwestern Australia, Philippines, southern Japan, Papua New Guinea and the Caroline Islands. This species has long been recognized as Lethrinus nematacanthus and the name Lethrinus genivittatus misassociated with many other species.
印度-西太平洋: 印尼 (包括東印度洋側邊) ，澳洲北部，菲律賓，日本南部, 巴布亞新幾內亞與加羅林群島。 這種長的被鑑定為 線棘裸頰鯛〔Lethrinus nematacanthus〕 與名稱 絲棘龍占〔Lethrinus genivittatus〕 與許多其他的種失去關連。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 25.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2295); common length : 15.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 2295); 最大年齡: 7 年 (Ref. 2290)
背棘 (總數) : 10; 背的軟條 (總數) : 9; 臀棘: 3; 臀鰭軟條: 8. The only Lethrinus with its 2nd dorsal spine the longest. The inner surface of the pectoral fin may be scaleless, partially covered with scales or densely covered with scales. Body color is tan or brown on the upper sides, white on the lower sides, with three tan or brown stripes. The sides often have scattered irregular black oblique bars and a square black blotch above the pectoral fin and bordering below the lateral line. The head is brown or tan sometimes with several broad, somewhat indistinct vertical and oblique bands (these bands are sometimes composed of fine reticulations). The fins are pale, speckled with small white blotches.
唯一的龍占魚科魚類用它的第二背鰭棘最長的。 胸鰭的內面可能是無鱗片的, 部份地覆蓋著鱗片或者濃密地覆蓋著鱗片。 體色在上側面上是黃褐色或者褐色, 白色的在下面的側邊上, 有三條黃褐色或褐色斑紋。 側邊時常有分散的不規則的黑色斜紋與在胸鰭上面的一個方形的黑色斑塊而且在側線之下毗鄰。 頭部是褐色或者黃褐色的有時有一些寬的, 略微不明顯的垂直且斜的條紋.(這些條紋有時被由細網眼組成) 鰭是灰白的,有小的白色斑塊的斑點。
Solitary or in groups (Ref. 90102). Occurs over shallow sandy and seagrass beds, in mangrove swamps, lagoons, channels and outer reef slopes. May enter rivers. Feeds on crustaceans and small fishes. A protogynous hermaphrodite (Ref. 55367). A protracted spawning peak from July to December is recorded in New Caledonia. Smaller and more numerous females than males have been confirmed in Australian populations. Marketed fresh (Ref. 9775).
在紅樹林沼澤，潟湖，峽道與外礁斜坡中, 生活在水淺的沙地與海草床之上。 可能進入河。 吃甲殼動物與小魚。 一個雌性先熟的雌雄同體.(參考文獻 55367) 伸長的產卵顛峰從七月到十二月在新加勒多尼亞被記錄。 小而眾多的雌性超過雄魚有在澳洲的族群被確認。 在市場上銷售生鮮地了。 (參考文獻 9775)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
A monandric species (Ref. 55367). Length at sex change = 18.0 cm TL (Ref. 55367). Also Ref. 103751.印度-西太平洋: 印尼 (包括東印度洋側邊) ，澳洲北部，菲律賓，日本南部, 巴布亞新幾內亞與加羅林群島。 這種長的被鑑定為 線棘裸頰鯛〔Lethrinus nematacanthus〕 與名稱 絲棘龍占〔Lethrinus genivittatus〕 與許多其他的種失去關連。
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 2024-2)
無危 (LC) ; Date assessed: 04 February 2009
人類使用
漁業: 低經濟
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Estimates based on models
Preferred temperature (Ref.
123201): 24.7 - 29.3, mean 28.4 °C (based on 2863 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01318 (0.00847 - 0.02052), b=2.98 (2.86 - 3.10), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.7 ±0.0 se; based on diet studies.
Generation time: 1.3 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
回復力 (Ref.
120179): 中等的, 族群倍增時間最少 1.4 - 4.4年 (tmax=7; K=0.86).
Fishing Vulnerability (Ref.
59153): Low vulnerability (17 of 100).
Nutrients (Ref.
124155): Calcium = 78.8 [52.0, 133.1] mg/100g; Iron = 1.09 [0.68, 1.75] mg/100g; Protein = 20.5 [17.9, 22.8] %; Omega3 = 0.148 [0.096, 0.231] g/100g; Selenium = 33 [19, 62] μg/100g; VitaminA = 29.6 [6.0, 178.6] μg/100g; Zinc = 3.07 [2.21, 4.16] mg/100g (wet weight);
