Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten pelagiska; flodvandrande (Ref. 51243). Subtropical; 28°N - 23°N
Asia: India (Ganges system, from at least Delhi to Calcutta).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 26.0 cm SL hane/ej könsbestämd; (Ref. 189)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Taggstrålar i ryggfenan (totalt) : 0; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 65 - 72. Belly with 22 or 23 keeled scutes from isthmus to anus. Lower gill rakers with serrae enlarged near the tip and sometimes show clumping of larger ones along raker. Pectoral filament short, reaching to base of 1st to 15th anal fin ray; upper caudal fin lobe truncated, shorter than lower one. Pectoral fins with no dark markings, even in large fishes.
Body shape (shape guide): elongated; Cross section: compressed.
Apparently purely riverine. More data needed, based on separation from S. phasa.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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)
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) |
PD50 = 0.5039 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00355 (0.00197 - 0.00638), b=3.10 (2.94 - 3.26), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.6 ±0.6 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Mellan, lägsta populationsfördubblingstid 1,4-4,4 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (32 of 100). 🛈 |
Priskategori (Ref. 80766) |
Medium.
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