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Cypriniformes (Carps) >
Leuciscidae (Minnows) > Laviniinae
Etymology: Lavinia: Lavinia, -ae, Latin = daughter of king Latino, married with Aeneas; mythology.
Eponymy: Girard gave no reasoning for his naming of this genus. [...] (Ref. 128868), visit book page.
More on authors: Baird & Girard.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten bottenlevande; flodvandrande (Ref. 126106). Temperate; 41°N - 36°N
North America: Sacramento-San Joaquin, Clear Lake, Russian River, and Pajaro-Salinas river drainages in California, USA. Three subspecies were previously recognized: Lavinia exilicauda chi in Clear Lake; Lavinia exilicauda harengus in Pajaro and Salinar River; and Lavinia exilicauda exilicauda in rest of the range.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 36.0 cm TL hane/ej könsbestämd; (Ref. 5723); common length : 25.0 cm TL hane/ej könsbestämd; (Ref. 12193); rapporterad maxålder: 6 år (Ref. 72462)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 10 - 13; Mjukstrålar i analfenan: 11 - 13. Body deep and compressed; caudal peduncle tapering to narrow; caudal fin large; lateral line strongly decurved; head small, compressed, mouth terminal (slightly upturned); dorsal-fin origin behind pelvic-fin origin; scales on lateral line 54-62; dorsal fin with 10-13 rays; anal fin with 11-13 rays; pharyngeal teeth 0,5-4,0 or 0,5-5,0; brown-yellow above, scales on back and silver side darkly outlined (crosshatched pattern on small individuals); fins dusky; and small specimens with black caudal spot (Ref. 86798).
Body shape (shape guide): fusiform / normal.
Adults occur in lakes, ponds, sloughs, backwaters and sluggish sandy pools of small to large rivers (Ref. 5723, 86798).
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
Page, L.M. and B.M. Burr, 2011. A field guide to freshwater fishes of North America north of Mexico. Boston : Houghton Mifflin Harcourt, 663p. (Ref. 86798)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
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Harmless
Mänskliga användningsområden
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01148 (0.00455 - 0.02896), b=3.03 (2.81 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
2.1 ±0.2 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Moderate to high vulnerability (48 of 100). 🛈 |