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.
More on authors: Evermann & Seale.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋 居於水底的. 熱帶
Western Pacific: Japan and Philippines.
西太平洋: 日本與菲律賓。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 17.8 cm TL 雄魚/尚未辨別雌雄; (Ref. 1555)
背棘 (總數) : 9; 背的軟條 (總數) : 10; 臀棘: 3; 臀鰭軟條: 7. U-shaped premaxilla groove fully scaled in specimens over 16 cm SL, producing a broadly rounded margin of the scaled area level with the anterior nostrils (partially scaled in 10 cm SL specimens). Posterior margin of maxilla beyond a vertical through anterior margin of inner dermal eye opening. Scales between 5th dorsal fin spine base 3.5 or 4. Body silvery, bands on body lacking or 6-8 irregular, very faint or dusky, oblique and vertical bands dorsolaterally and ventrolaterally (usually more apparent in young stressed or preserved specimens. Pelvic fin semi-transparent with a faint dusky band and indistinct white distal margin posteriorly or colorless when fresh. Spinous dorsal fin with an indistinct dusky patch (2nd-6th spines) and very narrow dusky distal margins on upper membranes between spines. Supraneural bones 3 (Ref. 35850).
U 形的前頜骨凹槽完全覆蓋著鱗片在超過 16 公分 SL 的標本中, 用前鼻孔產生覆有鱗片區域水平的寬圓形邊緣。 (部份地在 10 公分 SL 標本鱗片) 顎骨的後緣超過一垂直的經過內部眼皮開口的前緣。 在第 5個背鰭棘基底 3.5 或 4 之間的鱗片. 身體銀色的, 在身體上的條紋缺乏或 6-8條不規則的﹐非常模糊的或暗色的﹐斜的與垂直的條紋背外側地而且腹側地 (通常更明顯的在受驚或保存的幼魚標本中。 腹鰭半透明的在後部地具有一個模糊的暗色條紋與不明顯的白色末梢部的邊緣或無色的新鮮時。 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)
Life cycle and mating behavior
成熟度 | 繁殖 | 產卵場 | 卵 | 孕卵數 | 仔魚
西太平洋: 日本與菲律賓。
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)
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Estimates based on models
Preferred temperature (Ref.
123201): 26.5 - 29.2, mean 28.7 °C (based on 647 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00599 - 0.03330), b=3.04 (2.86 - 3.22), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.3 se; based on size and trophs of closest relatives
回復力 (Ref.
120179): 高度, 族群倍增時間少於 15個月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
