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Clupeiformes (Herrings) >
Ehiravidae (River sprats)
Etymology: Clupeichthys: Latin, clupea = sardine, derived from Clupeus = shield; + Greek, ichthys = fish (Ref. 45335).
More on author: Herre.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten pelagiska. Tropical; 6°N - 3°N
Asia: Perak River in Malaysia. Reported from Riau, Sumatra, Indonesia (Ref. 13275).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 4.0 cm SL hane/ej könsbestämd; (Ref. 57235)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 12 - 18; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 16 - 27. Body moderately elongate, belly keeled, with 7 to 9 + 4 to 6 scutes. Snout blunt, pre-maxillae small and toothed, prominent teeth a symphysis and along sides of lower jaw; second supra-maxilla paddle-shaped, about half length of maxilla. Pectoral axillary scale minute or absent. Last two anal fin rays forming a separate finlet.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
Inhabits rivers and canals including peat tributaries, feeding mainly on zooplankton and insect (Ref. 57235).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: husbehovsfiske
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00891 (0.00380 - 0.02091), b=3.03 (2.83 - 3.23), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.0 ±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.).
Sårbarhet i fisket (Ref.
59153): Low vulnerability (10 of 100).
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