分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Clupeiformes (Herrings) >
Pristigasteridae (Pristigasterids)
Etymology: Opisthopterus: Greek, opisthe = behind + Greek, pteron = wing. Fin (Ref. 45335).
Eponymy: Captain John Melmoth Dow (1827–1892) was an American naturalist and explorer, in addition to being a ship’s master and shipping agent. [...] (Ref. 128868), visit book page.
More on author: Günther.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 半咸淡水; 深度上下限 0 - 50 m (Ref. 188). 熱帶; 32°N - 5°S, 116°W - 77°W (Ref. 188)
Eastern Pacific: Rio Muerto in the Gulf of California southward to Gulf of Guayaquil, Peru.
東太平洋: 加州灣的 Rio Muerto 向南至祕魯的惠夜基灣。
大小 / 重量 / 年龄
Maturity: Lm ?  range ? - ? cm
Max length : 23.0 cm TL 雄鱼/尚未辨别雌雄; (Ref. 114986); common length : 18.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 9336)
背棘 (总数) : 0; 臀棘: 0; 臀鳍软条: 55 - 62. Belly with about 29 scutes. Lower jaw projecting, its mouth pointing obliquely upward; no hypo-maxilla. Pectoral fin a little longer than head; dorsal fin origin nearer to caudal fin base than to vertical from pectoral fin base by 1 and 1/2 eye diameters (or behind midpoint of body by 2 and 1/4 eye diameter); anal fin long, its origin much nearer to snout tip than to caudal fin base.
腹面有大约 29个鳞甲。 下颌突出的, 它的嘴朝向斜上方; 没有皮下注射-颚骨。 胸鳍稍微长度超过头部; 背鳍起点较接近尾鳍基底超过到垂直的从胸鳍基底 1 与 1/2 眼直径;(或身体的中点后面 2 与 1/4 眼直径) 臀鳍长的, 它的起源很多超过到尾鳍基底较接近吻顶端。
Occurs in coastal waters, perhaps entering brackish water (Ref. 9336). Feeds mainly on small fishes (Ref. 9336).
出现于沿岸水域, 也许进入半淡咸水。 (参考文献 9336) 主要吃小鱼。 (参考文献 9336)
Life cycle and mating behavior
成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼
東太平洋: 加州灣的 Rio Muerto 向南至祕魯的惠夜基灣。
Whitehead, P.J.P., 1985. 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(7/1):1-303. Rome: FAO. (Ref. 188)
世界自然保护联盟红皮书 (Ref. 130435: Version 2024-1)
人类利用
渔业: 低经济
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特别资料
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Estimates based on models
Preferred temperature (Ref.
123201): 23.5 - 28.5, mean 26.8 °C (based on 42 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00589 (0.00349 - 0.00994), b=3.00 (2.86 - 3.14), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
营养阶层 (Ref.
69278): 4.2 ±0.73 se; based on food items.
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 (13 of 100).