Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bentopelagisk; ej vandrande. Tropical
South America: Upper Amazon River basin.
Size / Vikt / Age
Maturity: Lm ?  range ? - ? cm
Max length : 6.4 cm SL hane/ej könsbestämd; (Ref. 38399)
Short description
Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt): 2; Mjukstrålar i ryggfenan (totalt): 9; Taggstrålar i analfenan 3-4; Mjukstrålar i analfenan: 29 - 34; Ryggkotor: 34 - 35. Medium-sized species of Moenkhausia distinguished by the following characters: maxilla longer than snout; 1-2 broad, tri-cuspid maxillary teeth; anal fin with 29-34 branched, relatively long rays; small hooks present on rays of anal fin in males; scales relatively large, 34-36 in longitudinal series; 6.5-7.5 vertical scales before dorsal fin origin; first third of caudal origin covered with small, specialized scales; pre-ventral region rounded; shoulder spot rounded and prominent; no black spot on caudal peduncle; no black saddle-spot before origin of dorsal fin; no silver longitudinal band on side of body. 'Spines' refer to unbranched rays.
In slow-flowing or still waters over gravel or mud.1
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Zarske, A. and J. Géry, 2001. Moenkhausia margitae sp.n. - eine neue Tetra-Art aus dem Stromgebiet des Rio Ucayali in Peru (Teleostei: Characiformes: Characidae). Zool. Abh. Mus. Tierkde. Dresden 51(1):5-14. (Ref. 38399)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Fiskeri: saknar intresse
Ytterligare information
PopulärnamnsynonymerMetabolikPredatorerEkotoxikologiReproduktionKönsmognadLekSpawning aggregationFecundityÄggEgg development
Age/SizeTillväxtLength-weightLength-lengthLength-frequenciesMorfometriMorfologiLarverLarvdynamikRekryteringAbundansBRUVS
referenserVattenbrukVattenbruksprofilAvelslinjerGenetikElectrophoresesÄrftlighetSjukdomarBehandlingNutrientsMass conversion
MedarbetareBilderStamps, Coins Misc.LjudCiguateraHastighetSimsättGälytaOtolithsHjärnstorlekSyn
Verktyg
Special reports
Download XML
Internet-källor
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=0.01202 (0.00517 - 0.02796), b=3.08 (2.91 - 3.25), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.3 ±0.5 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).