分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 淡水; 半咸淡水; 深度上下限 0 - 50 m (Ref. 189). 熱帶; 28°N - 6°S, 111°W - 77°W (Ref. 189)
Eastern Pacific: central part of the Gulf of California (Rio Yaqui, Mexico) to the Gulf of Guayaquil, Peru.
東太平洋: 加州灣的中央部份 (Rio Yaqui, 墨西哥) 到祕魯的惠夜基灣。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 8.9 cm TL 雄鱼/尚未辨别雌雄; (Ref. 96339)
背棘 (总数): 0; 臀棘 0; 臀鳍软条: 19 - 23. Body moderately elongate, but somewhat compressed. Snout fairly short, about 3/4 eye diameter; maxilla long, tip sharply pointed, reaching almost to edge of gill cover; gill cover canals of walkeri-type. Anal fin moderate, its origin under or a little before midpoint of dorsal fin base. A narrow silver stripe along flank.
身体中等细长的, 但是略微扁长形的。 吻非常短的, 大约 3/4 眼直径; 颚骨长的, 顶端非常尖的, 几乎到鳃盖的边缘; walkeri 的鳃盖运河-类型。 臀鳍中等的, 它的起源在或下面稍微在背鳍基底的中点之前。 一条狭窄的银色斑纹沿着侧面。
Pelagic (Ref. 96339). A schooling species occurring in coastal waters, most often in muddy estuaries in fully salt, brackish or apparently freshwater, penetrating only a few kilometers up rivers. Maturing females were caught in January, August and October in the Gulf of Nicoya, Costa Rica, suggesting a protracted spawning season. The eggs are oval. TL = 1.219 SL.
出现在沿岸水域的一个群游性鱼种, 大部分常见于泥泞的河口中在完全含盐，半咸淡的或显然淡水, 只穿透河川内几公里。 成熟雌性于一月 , 在被意味着的哥斯达黎加的尼哥亚湾的八月与十月捕获产卵季节很长。 卵是椭圆形的。 TL=1.219 SL。
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
Spawn in school (Ref. 205).東太平洋: 加州灣的中央部份 (Rio Yaqui, 墨西哥) 到祕魯的惠夜基灣。
Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988. FAO Species Catalogue. Vol. 7. Clupeoid fishes of the world (Suborder Clupeoidei). An annotated and illustrated catalogue of the herrings, sardines, pilchards, sprats, shads, anchovies and wolf-herrings. FAO Fish. Synop. 125(7/2):305-579. Rome: FAO. (Ref. 189)
人类利用
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Estimates based on models
Preferred temperature (Ref.
123201): 23.6 - 28.5, mean 26.9 °C (based on 44 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00513 (0.00232 - 0.01135), b=3.14 (2.96 - 3.32), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.3 ±0.4 se; based on size and trophs of closest relatives
回复力 (Ref.
120179): 高度, 族群倍增时间少于 15个月 (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
