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Clupeiformes (Herrings) >
Ehiravidae (River sprats)
Etymology: Clupeoides: Latin, clupea = sardine, derived from Clupeus = shield; + Greek, oides = similar (Ref. 45335).
More on authors: Weber & deBeaufort.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten pelagiska. Tropical; 5°S - 8°S
Asia and Oceania: Indonesia (Lorentz River, Irian Jaya) and Papua New Guinea (Fly River); probably in other southwest-flowing rivers in area.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 9.0 cm SL hane/ej könsbestämd; (Ref. 2847)
Taggstrålar i ryggfenan (totalt) : 0; Mjukstrålar i ryggfenan (totalt) : 12 - 18; Taggstrålar i analfenan: 0; Mjukstrålar i analfenan: 16 - 27. Body moderately deep, belly sharply keeled, with 9 to 12 + 7 to 9 scutes. Snout blunt, pre-maxillae short and toothless, but prominent teeth in lower jaw; second supra-maxilla short, a little over half length of maxilla blade. Pectoral axillary scale small, less than 1/3 length of fin. A silver stripe along flank.
Body shape (shape guide): fusiform / normal; Cross section: compressed.
The only clupeid in the world known to inhabit mountainous rivers (Ref. 2847). Occurs in streams with gravel or stony bottoms and feeds primarily on aquatic insect larvae (Ref. 2847).
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))
Sårbar (VU) (B2ab(iii,iv)); Date assessed: 02 March 2017
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: husbehovsfiske
Verktyg
Särskilda rapporter
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Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00891 (0.00376 - 0.02110), b=3.02 (2.82 - 3.22), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.2 ±0.40 se; based on food items. |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low to moderate vulnerability (28 of 100). 🛈 |
Priskategori (Ref. 80766) |
Low.
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