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; microphthalmus: Named for its small eyes (small in diameter)..
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 半鹹淡水; 深度上下限 ? - 20 m (Ref. 58018). 溫帶; ? - 16°C (Ref. 43141)
Northwest Pacific: southern Japan.
西北太平洋: 日本南部。
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 12.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 43141)
簡短描述
檢索表 | 型態特徵 | 形態測量圖
背棘 (總數) : 9; 背的軟條 (總數) : 10; 臀棘: 3; 臀鰭軟條: 7. Second dorsal fin elongated, reaching just short of last dorsal fin ray when depressed (in all stages, up to 50% SL, mean 42% SL, tip very easily broken). Orbit diameter relatively small (8-11% SL), ratio as % of snout length, 93-143. Head length relatively short, 30-33% of SL. Maxillary reaching to below or (rarely) just short of anterior margin of iris. Exposed maxillary process always tapering to a point anteriorly for about half its length. Supraneural bones 3 (Ref. 43141).
延長的第二背鰭鰭, 達到正好短的最後背鰭鰭條當扁平的.(在所有的階段，向上到 50% SL ，平均的 42% SL 中, 頂端非常容易斷掉) 眼窩直徑相當小的 (8-11% SL), 比當 % 吻的長度,93-143. 頭長相當短又 30-33% 的 SL。 顎的延伸到下面或 (很少地) 正好短的虹膜的前緣。 裸露的顎突起總是前面地漸漸變細成一個尖點為大約一半它的長度。 上背側的硬骨 3.(參考文獻 43141)
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
西北太平洋: 日本南部。
Iwatsuki, Y., S. Kimura and T. Yoshino, 2002. A new species: Gerres microphthalmus (Perciformes: Gerreidae) from Japan with notes on limited distribution, included in the G. filamentosus complex. Ichthyol. Res. 49(2):133-139. (Ref. 43141)
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01413 (0.00602 - 0.03315), 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).
