Environment: milieu / climate zone / depth range / distribution range
Ekologi
; brackvatten pelagiska. Tropical; 0°S - 4°S
Western Atlantic: Amazon River mouth in Brazil.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 5.0 cm SL hane/ej könsbestämd; (Ref. 50628)
Short description
Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt): 0; Taggstrålar i analfenan 0; Mjukstrålar i analfenan: 28 - 29. Snout fairly long, 4 times in head but less than eye diameter; maxilla short, tip nearly square, not quite reaching to articulation of lower jaw; lower gill rakers (not counted), about equal to eye diameter. Pectoral fin long, reaching halfway along pelvic fin; anal fin long, its origin below middle of dorsal fin base. An indistinct silver stripe along flank.
Presumably riverine or estuarine. More material and data needed.
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Spawn in school (Ref. 205).
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 Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Ytterligare information
Age/SizeTillväxtLength-weightLength-lengthLength-frequenciesMorfometriMorfologiLarverLarvdynamikRekryteringAbundansBRUVS
referenserVattenbrukVattenbruksprofilAvelslinjerGenetikElectrophoresesÄrftlighetSjukdomarBehandlingNutrientsMass conversion
MedarbetareBilderStamps, Coins Misc.LjudCiguateraHastighetSimsättGälytaOtolithsHjärnstorlekSyn
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00537 (0.00253 - 0.01141), b=3.13 (2.96 - 3.30), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.2 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).