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俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Clupeiformes (Herrings) >
Dorosomatidae (Gizzard shads and sardinellas)
Etymology: Opisthonema: Greek, opisthe = behind + Greek,nema = filament (Ref. 45335).
Issue
Date & author Eschmeyer, pers. comm.
Environment: milieu / climate zone / depth range / distribution range
生態學
海洋; 深度上下限 0 - 50 m (Ref. 188). 亞熱帶的; 36°N - 6°S, 123°W - 77°W (Ref. 188)
Eastern Pacific: Los Angeles, California to Sechura Bay, Peru. (Included in at least some accounts of Opisthonema bulleri and especially Opisthonema libertate which used to be the only Pacific species recognized).
東太平洋: 加州的洛杉磯到祕魯的塞丘拉灣。 (包括在至少中了 Opisthonema bulleri 的一些描述與尤其過去是的 Opisthonema libertate 唯一的太平洋的種辨認出).
大小 / 重量 / 年齡
Maturity: Lm ? range ? - ? cm
Max length : 30.0 cm TL 雄魚/尚未辨別雌雄; (Ref. 55763); common length : 20.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 9291)
背棘 (總數) : 0; 背的軟條 (總數) : 13 - 21; 臀棘: 0; 臀鰭軟條: 12 - 23. Body moderately deep and compressed; posterior edge of gill openings with two clearly visible, fleshy, protuberances; gill rakers numerous, 41 to 69 on ceratobranchial (in fish longer than 14 cm total length); last dorsal ray elongated and filamentous; back gray-green with silver-white flanks and a black spot behind the gill slit followed by a yellow lateral strip (Ref. 55763). The filamentous last dorsal fin ray distinguishes it from members of any other eastern Pacific clupeoid genus. Separated from other eastern Pacific Opisthonema by having 41 to 69 lower gill rakers in fishes over 14 cm standard length.
絲狀的最後背鰭鰭條區別它和任何其他的東太平洋的鯡魚屬的成員。 與其他的東太平洋 Opisthonema 在超過 14 公分標準長度的魚中藉著具有 41 到 69個下鰓耙分開。
Usually found near shore, forming schools. Feeds on crustaceans and pteropods.
通常發現於被形成群體的海岸附近。 吃甲殼動物與翼足目的軟體動物。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔魚
東太平洋: 加州的洛杉磯到祕魯的塞丘拉灣。 (包括在至少中了 Opisthonema bulleri 的一些描述與尤其過去是的 Opisthonema libertate 唯一的太平洋的種辨認出).
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)
IUCN 瀕危狀態 (Ref. 130435)
無危 (LC) ; Date assessed: 14 November 2019
人類使用
漁業: 低經濟; 誘餌: occasionally
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Estimates based on models
Preferred temperature (Ref.
123201): 20.5 - 28.4, mean 25.4 °C (based on 72 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00912 (0.00433 - 0.01920), b=3.04 (2.87 - 3.21), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
營養階層 (Ref.
69278): 3.3 ±0.38 se; based on food items.
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 (20 of 100).
