Common names from other countries
分类 / Names
俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa
Teleostei >
Clupeiformes (Herrings) >
Clupeidae (Herrings, shads, sardines, menhadens)
Etymology: Ramnogaster: Greek, rhamnos, -on = blackberry + Greek, gaster = stomach.
More on author: Jenyns.
Environment: milieu / climate zone / depth range / distribution range
生态学
海洋; 深度上下限 0 - 50 m (Ref. 188). 亞熱帶的; 33°S - 42°S, 64°W - 52°W (Ref. 188)
Southwest Atlantic: southern Brazil (estuary of the Lagoa dos Patos) and Uruguay to at least Bahía Blanca, Argentina; some of the more southerly records (even to the Beagle Channel) must refer to Sprattus fuegensis.
西南大西洋: 巴西 (Lagoa dos Patos 的河口) 南部與烏拉圭到至少阿根廷的布蘭卡港; 一些比較向南記錄 (甚至到小獵犬峽道) 指的一定是 Sprattus fuegensis 。
大小 / 重量 / 年龄
Maturity: Lm ? range ? - ? cm
Max length : 9.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 188); common length : 7.5 cm SL 雄鱼/尚未辨别雌雄; (Ref. 188)
背棘 (总数) : 0; 背的软条 (总数) : 18 - 19; 臀棘: 0; 臀鳍软条: 12 - 23. Belly sharply keeled. Flanks silvery without a distinct silver stripe (cf. Platanichthys). Distinguished from R. melanostoma of freshwaters by having more dorsal and pectoral fin rays and total gill rakers; from small Sardinella and Harengula by the evenly rounded hind margin of the gill opening; and from Sprattus fuegensis by having i 6 pelvic fin rays.
腹面锐利地龙骨。 侧面银色的没有明显的银色斑纹 (比较 Platanichthys). 与淡水的 R. melanostoma 藉着具有区分了更背部的与胸鳍鳍条与总鳃耙; 从小的 沙丁鱼 与 Harengula 藉由均匀地圆的鳃裂的后缘; 而且从 Sprattus fuegensis 藉着具有 i 6个腹鳍鳍条。
Forms schools in coastal waters, apparently inshore but not entering freshwater.
在沿岸水域中形成鱼群, 显然近海但是不进入淡水。
Life cycle and mating behavior
Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼
西南大西洋: 巴西 (Lagoa dos Patos 的河口) 南部與烏拉圭到至少阿根廷的布蘭卡港; 一些比較向南記錄 (甚至到小獵犬峽道) 指的一定是 Sprattus fuegensis 。
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)
CITES (Ref. 128078)
Not Evaluated
人类利用
渔业: 低经济
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Estimates based on models
Preferred temperature (Ref.
115969): 11.7 - 18.3, mean 15.7 (based on 74 cells).
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00708 (0.00349 - 0.01438), b=3.11 (2.93 - 3.29), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
营养阶层 (Ref.
69278): 3.1 ±0.1 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).
![Image of Ramnogaster arcuata (Jenyns\](/images/thumbnails/gif/tn_Raarc_u0.gif "Image of Ramnogaster arcuata (Jenyns\")