Amazonsprattus scintilla, Rio Negro pygmy anchovy

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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.

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

> 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 Ökologie

; süßwasser pelagisch.   Tropical; 0°S - 3°S

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

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

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 2.0 cm SL Männchen/unbestimmt; (Ref. 189)

Kurzbeschreibung Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt): 0; Afterflossenstacheln 0; Afterflossenweichstrahlen: 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.

Biologie     Fachlexikon (Englisch) (z.B. 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 Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

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 Rote Liste Status (Ref. 123251)

  nicht bedroht (LC) ; Date assessed: 05 March 2017

CITES (Ref. 123416)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless





Nutzung durch Menschen

Fischereien: nicht kommerziell
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Internet Quellen

Aquatic Commons | BHL | Cloffa | Websites from users | FishWatcher Einträge suchen | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishipedia | Fishtrace | GenBank(Genom, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia(Gehe zu, Suchen) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 1.0000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00525 (0.00247 - 0.01115), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.2   ±0.35 se; based on food items.
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Verwundbarkeit (Ref. 59153):  Low vulnerability (10 of 100) .