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Amazonsprattus scintilla Roberts, 1984

Rio Negro pygmy anchovy
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Image of Amazonsprattus scintilla (Rio Negro pygmy anchovy)
Amazonsprattus scintilla
Picture by Gama, C.S.

Brazil country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments:
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/br.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988
National Database:

Common names from other countries

亚马逊鳀, Amasooniakilu, Sardelka nejmenší, ... more

分類 / Names 俗名 | 同種異名 | Catalog of Fishes(屬, 種) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Clupeiformes (Herrings) > Engraulidae (Anchovies) > Engraulinae
Etymology: Amazonsprattus: Composed from river Amazon + old English sprot, a small sea fish; 1597 (Ref. 45335).
  More on author: Roberts.

Environment: milieu / climate zone / depth range / distribution range 生態學

; 淡水 大洋性.    ; 0°S - 3°S

分布 國家 | FAO區域 | 生態系 | 發現紀錄 | Point map | 簡介 | Faunafri

South America: endemic to the Amazon system (Rio Jufari between Castanheiro Grande and Santa Fé, also Rio Negro at Santa Isabel).

大小 / 重量 / 年齡

Maturity: Lm ?  range ? - ? cm
Max length : 2.0 cm SL 雄魚/尚未辨別雌雄; (Ref. 189)

簡短描述 檢索表 | 型態特徵 | 形態測量圖

背棘 (總數) : 0; 臀棘: 0; 臀鰭軟條: 12 - 14. Mouth small, pre-maxillae absent or minute and toothless; maxilla very short, just reaching to front border of eye, with two supra-maxillae; articulation of lower jaw under hind border of pupil or just behind. Dorsal fin origin well behind midpoint of body; anal fin origin under first quarter of dorsal fin base. In life translucent or even transparent.

生物學特性     字彙 (例如 epibenthic)

A riverine species collected some distance up a low-gradient swampy tributary of the Rio Negro (the Rio Jufari), Brazil and in the main river, in both cases the water generally darkly tinted, acid (pH 4-5) and low in dissolved ions. Feeds on dipteran larvae and pupae; also cladocerans. Males mature at 1.43-1.62 cm SL; females at 1.59-1.82 cm. Ovarian eggs are creamy or pale orange. A female of 1.73 cm had 20 eggs in the single ovary in January.

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

A female of 1.73 cm has 20 eggs in the single ovary in January.

主要參考資料 Upload your references | 參考文獻 | 合作者 | 合作者

Whitehead, P.J.P., G.J. Nelson and T. Wongratana, 1988. 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(7/2):305-579. Rome: FAO. (Ref. 189)

IUCN 瀕危狀態 (Ref. 130435)

  無危 (LC) ; Date assessed: 05 March 2017

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

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