Sauvagella madagascariensis, Madagascar round herring

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Sauvagella madagascariensis (Sauvage, 1883)

Madagascar round herring
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Image of Sauvagella madagascariensis (Madagascar round herring)
Sauvagella madagascariensis
Picture by Loiselle, P.V.

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(, ) | ITIS | CoL | WoRMS | Cloffa

Actinopteri > Clupeiformes (Herrings) > Clupeidae (Herrings, shads, sardines, menhadens) > Ehiravinae
Etymology: Sauvagella: Because of Sauvage, 1860-1880 and 1875-1891; ichtyologist that studied the Ogowe; author of "Histoire naturelle des poissons de Madagascar";  madagascariensis: Named for the island to which it is endemic, Madagascar (Ref. 33664)  More on author: Sauvage.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水; 半咸淡水 大洋性; 深度上下限 - m (Ref. ), usually - m (Ref. ).   熱帶; 0°C - ; 11°S - 26°S, 42°E - 50°E (Ref. 188)

分布 国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

Africa: mid and lower reaches of eastern coastal rivers and Pangalanes Canal network in Madagascar (Ref. 188, 33664).
非洲: 馬達加斯加的特有種。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 6.6 cm SL 雄鱼/尚未辨别雌雄; (Ref. 33664)

简单描述 型态特徵 | 形态测量图

背棘 (总数): 0; 背的软条 (总数): 13-17; 臀棘 0; 臀鳍软条: 17 - 19; 脊椎骨: 41 - 43. Diagnosis: Body elongate, a little compressed; belly rounded, without pre-pelvic scutes, but a pelvic scute present with slender lateral arms; gillrakers few, 17-20 gillrakers on lower limb of first arch; pelvic fin with 1 unbranched and 7 branched finrays, a little anterior to dorsal fin origin; last two anal finrays not separate from others (Ref. 188, 33664). It is distinguished from other non-scuted clupeids of Spratelloides, Dussumieria and Etrumeus by presence of a normal pelvic scute vs. W-shaped (Ref. 188). It is distinguished from Sauvagella robusta by a higher vertebral number, 41-43 vs. 38-40; a shallower body, 15.8-21.1% of standard length vs. 20.8-27.4%; a longer snout, 26.2-33.7% of head length vs. 18.5-26.6%; and a higher anal fin ray count, 17-19 vs. 13-17 (Ref. 33664).
身体稍微扁长形, 腹面圆形的, 没有前腹鳍鳞甲, 但是一个腹鳍鳞甲存在的有细长的垂直手臂。 鳃耙可能很少的。 最后两个臀鳍棘条不分开其它 (比较 Spratellomorpha bianalis) 。 在区域 ( Spratelloides , Dussumieria, Etrumeus) 中与其他的非被鳞甲的鲱鱼区分被有正常的腹鳍鳞甲 (比较 W 形的).(参考文献 188) 体高 15.8-21.1% SL。 吻 26.2-33.7% HL.(参考文献 33664) 鱗片是圓形的而且容易地脫落。 (參考文獻 56161) 二個色彩形式, 黃色與紅色或橘色的, 在 Sauvagella madagascariensis 中已經被記錄.(參考文獻 56161)

生物学特性     字汇 (例如 epibenthic)

Found in freshwaters, possibly tolerating brackish water (Ref. 188); from sea level to about 450m, mostly in smaller rivers and streams and usually in forested areas (Ref. 56161). Probably planktivorous (Ref. 56161).

在东方沿海的河川与 Pangalanes 管网络的中下游中出现于淡水与半咸淡的水栖息地。 (参考文献 33664)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | | 孕卵数 | 仔鱼

非洲: 馬達加斯加的特有種。

主要参考文献 Upload your references | 参考文献 | 合作者 | 合作者

Stiassny, M.L.J., 2002. Revision of Sauvagella Bertin (Clupeidae; Pellonulinae; Ehiravini) with a description of a new species from the freshwaters of Madagascar and diagnosis of the Ehiravini. Copeia 2002(1):67-76. (Ref. 33664)

世界自然保护联盟红皮书 (Ref. 124695)

  最不相关 (LC) ; Date assessed: 29 June 2016

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的





人类利用

渔业: 没有兴趣
FAO - Publication: search | FishSource |

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特别资料

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网络资源

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | 核实 FishWatcher | CISTI | Catalog of Fishes: , | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: 基因组, 核苷酸 | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | 树状分类阶层 | Wikipedia: 转至, 搜寻 | World Records Freshwater Fishing | 动物学的记录

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00371 - 0.02139), b=3.03 (2.83 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
营养阶层 (Ref. 69278):  3.1   ±0.3 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.).
脆弱性 (Ref. 59153):  Low vulnerability (10 of 100) .