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Microthrissa royauxi Boulenger, 1902

Royal sprat
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Microthrissa royauxi
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Congo (Kinshasa) country information

Common names: Lifambalamba, Lifambalamba, Lifambalamba
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Type locality of the syntypes of Microthrissa royauxi: 'Banzyville' (Ref. 1884). Known from middle Congo River basin (Ref. 188, 47399), specifically in Malebo Pool (Ref. 41585), Middle Congo River (Ref. 4910, 41590, 46880, 93181), Ubangui River (Ref. 1878, 1884, 2263, 45441), Uélé River (Ref. 41594, 42480), Itimbiri River (Ref. 122734), Aruwimi River (Ref. 41594, 122734), Lindi/Tshopo River (Ref. 122734) and Wagenia Falls (Ref. 42480, 46861). Its presence in Lualaba River (Ref. 45616) is questionable and possibly based on a labelling error (Ref. 47399).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/cg.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Gourène, G. and G.G. Teugels, 1989
National Database:

Common names from other countries

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

Teleostei > Clupeiformes (Herrings) > Dorosomatidae (Gizzard shads and sardinellas)
Etymology: Microthrissa: Grek, mikros = small + Greek, thrissa, -es = shad (Ref. 45335).
  More on author: Boulenger.

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

; 淡水 大洋性.   熱帶; 8°N - 7°N

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

Africa: middle Congo River basin (Ref. 188, 28136) and its tributaries north of the equator (Ref. 3509, 47399, 122734), apparently not in Kasai River and its tributaries (Ref. 188). Its presence in Lualaba River is questionable and possibly based on a labelling error (Ref. 47399).
非洲: 大部分的剛果河流域, 包括 Oubangui 河但是顯然地不在 Kasai 與它的支流中。

大小 / 重量 / 年龄

Maturity: Lm ?  range ? - ? cm
Max length : 9.9 cm TL 雄鱼/尚未辨别雌雄; (Ref. 3509)

简单描述 检索表 | 型态特徵 | 形态测量图

背棘 (总数) : 0; 背的软条 (总数) : 11 - 14; 臀棘: 0; 臀鳍软条: 22 - 27; 脊椎骨: 37 - 41. Diagnosis: Body rather deep, its depth about 30-37% of standard length; scutes strongly keeled, 1 or 3 before base of first pectoral fin ray, 13-16 pre-pelvic and 3-7 post-pelvic scutes; snout fairly pointed; lower jaw not or slightly projecting, included in upper when mouth closed, with small teeth limited to anterior part; pre-maxilla with medial notch and 16-26 small conical teeth directed outwards; maxilla blade slender, more than 3 times as long as deep, upper edge with a ridge flared outward; posterior supra-maxilla small, spatulate, shaft as long as or longer than blade; lower gillrakers 14-17 (Ref. 188, 47399). Also characterized by 34-41 scales in a longitudinal series and anal fin with 22-27 rays (Ref. 188, 47399). It resembles Microthrissa minuta, which has more lower gillrakers but fewer anal fin rays, 18-22 and 18-21 respectively (Ref. 188, 47399). It is distinguished from Microthrissa whiteheadi by the presence of a medial notch in pre-maxilla and a lower number of teeth on the pre-maxilla, 16-26 vs. 32-40 (Ref. 46514).
鳞甲有明显的龙骨,1 或 2 在第一个胸鳍鳍条的基底之前,13 或 14+6 或 7; 13-16个腹鳍前的鳞甲,3-7个 postpelvic 鳞甲。 吻非常尖的; 下颌不是突出, 包含在上面的内当嘴巴闭合时, 在愈合处有小的齿; 颚骨叶片细长的 (超过 3 长度与深度比率), 上缘具有一个向外被摇曳的脊; 上颚骨小的, 轴长达或长度超过叶片, 后者竹片状的。

生物学特性     字汇 (例如 epibenthic)

A riverine species (Ref. 188).

出现于河。

Life cycle and mating behavior Maturities | 繁殖 | Spawnings | Egg(s) | Fecundities | 仔鱼

非洲: 大部分的剛果河流域, 包括 Oubangui 河但是顯然地不在 Kasai 與它的支流中。

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

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)

  最不相关 (LC) ; Date assessed: 16 February 2009

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

  无害处的




人类利用

渔业: 自给性渔业
FAO(Publication : search) | FishSource |

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网络资源

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

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 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).
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.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).
价格分类 (Ref. 80766):   Low.