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) >
Gerreidae (Mojarras)
銀鱸科 (Mojarras)
Etymology: Gerres: Latin, gerres = a kind of anchovies; cited by Plinius.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 半鹹淡水 礁區魚類; 深度上下限 0 - 20 m (Ref. 11441). 熱帶; 36°N - 35°S, 25°E - 174°W
Indo-Pacific: Red Sea to South Africa, east to Marshall and Samoa islands; north to the Ryukyus and south to the Queensland, Australia (Great Barrier Reef) and New Caledonia.
印度-太平洋: 紅海，波斯灣與東非, 可能地包括塞錫爾群島, 到東南方的印度海岸與斯里蘭卡的周圍; 被延伸至西太平洋的其他地方。
Length at first maturity / 大小 / 重量 / 年齡
Maturity: Lm ?, range 22 - ? cm
Max length : 30.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 4323); common length : 20.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 37816)
背棘 (總數) : 9; 背的軟條 (總數) : 10; 臀棘: 3; 臀鰭軟條: 7. Body silvery with 6-8 irregular, faint dusky oblique and vertical bands dorsolaterally and ventrolaterally (usually more apparent in young stressed or preserved specimens. U-shaped premaxilla groove mostly without scales (tiny scales anteriorly in specimens over 13 cm SL). Posterior margin of maxillary beyond a vertical through anterior margin of pupil. Supraneural bones 3. Spinous dorsal fin with an indistinct dusky patch (2nd-6th spines) and very narrow dusky distal margins on upper membranes between spines. Scales between 5th dorsal fin spine and lateral line 3-4, usually 3.5. Pelvic fin when fresh is semi-transparent or dull yellow color with an indistinct dusky band and dull white distal margin posteriorly (Ref. 35850); pectoral fins reaches beyond level of anus; caudal fin forked deeply and with long lobes (Ref. 90102).
缺乏特殊的特徵而且是更細長的被相較於的其他相似的種。 (參考文獻 48635) U 形的前頜骨凹槽大部份沒有鱗片。 (極小的鱗片前面在超過 13 公分 SL 的標本中) 顎的後緣超過一垂直的經過瞳孔的前緣。 背外側地而且腹側地銀色的身體有 6-8 不規則的, 模糊的暗色斜角與垂直的條紋 (通常更明顯的在受驚或保存的幼魚標本中。 在第 5根背鰭棘與側線 3-4 之間的鱗片, 通常 3.5. 腹鰭新鮮時是半透明或者暗黃色顏色在後部地有一個不明顯的暗色條紋與暗白色末梢部的邊緣。 在棘之間的上面薄膜上的刺狀的背鰭有一個不明顯的暗色小區塊 (第二-第 6根棘) 與非常狹窄的暗色末梢部的邊緣。 上背側的硬骨 3.(參考文獻 35850) G. oyena 能在背鰭 (參考文獻 37816) 上被用它的較大鱗片與深色的末端與 G. longirostris(同種異名 G. acinaces) 區分。
Found along the coast, saltwater lagoons, and estuaries (Ref. 5213). Also in sand bottoms in sheltered waters near reefs (Ref. 90102). Occurs singly or in groups (Ref. 9710). Feeds on small organisms living on sandy bottoms. Utilized as fish meal and duck food. Sold fresh in markets.
發現沿著海岸，鹽水的潟湖與河口了。 (參考文獻 5213) 各別地生存或成群.(參考文獻 9710) 吃被生活在砂質底部上的小生物。 用來作魚粉與鴨子的食物了。 生鮮販賣在市場中了。
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
印度-太平洋: 紅海，波斯灣與東非, 可能地包括塞錫爾群島, 到東南方的印度海岸與斯里蘭卡的周圍; 被延伸至西太平洋的其他地方。
Iwatsuki, Y., S. Kimura and T. Yoshino, 1999. Redescriptions of Gerres baconensis (Evermann & Seale, 1907), G. equulus Temminck & Schlegel, 1844 and G. oyena (Forsskål, 1775), included in the "G. oyena complex", with notes on other related species (Perciformes: Gerreidae). Ichthyol. Res. 46(4):377-395. (Ref. 35850)
IUCN 瀕危狀態 (Ref. 130435: Version 2024-1)
無危 (LC) ; Date assessed: 02 March 2015
人類使用
漁業: 商業性
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Estimates based on models
Preferred temperature (Ref.
123201): 25.2 - 29.3, mean 28.5 °C (based on 3352 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01096 (0.00698 - 0.01722), b=3.09 (2.97 - 3.21), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 2.7 ±0.24 se; based on food items.
Generation time: 1.0 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Prior r = 1.19, 95% CL = 0.79 - 1.79, Based on 1 data-limited stock assessment.
Fishing Vulnerability (Ref.
59153): Low vulnerability (20 of 100).
Climate Vulnerability (Ref.
125649): High vulnerability (63 of 100).
Nutrients (Ref.
124155): Calcium = 85.5 [43.0, 156.5] mg/100g; Iron = 0.796 [0.382, 1.420] mg/100g; Protein = 19.4 [17.4, 21.4] %; Omega3 = 0.135 [0.074, 0.243] g/100g; Selenium = 32.4 [17.9, 64.0] μg/100g; VitaminA = 38 [10, 133] μg/100g; Zinc = 1.87 [1.23, 2.68] mg/100g (wet weight);
