>
Cypriniformes (Carps) >
Leuciscidae (Minnows) > Pogonichthyinae
Etymology: Pogonichthys: Greek, pogon = beard + Greek, ichthys = fish (Ref. 45335).
More on author: Ayres.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten; brackvatten bentopelagisk; flodvandrande (Ref. 126106). Temperate; 39°N - 36°N
North America: formerly throughout the Sacramento-San Joaquin River drainage in California, USA; now mostly in San Francisco Bay Delta and lower Sacramento and San Joaquin rivers.
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 44.0 cm TL hane/ej könsbestämd; (Ref. 5723); common length : 30.0 cm TL hane/ej könsbestämd; (Ref. 12193); rapporterad maxålder: 5 år (Ref. 72485)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 9 - 10. Body long, slender and compressed; dorsal-fin origin in front of pelvic-fin origin; upper lobe of caudal fin longer than lower lobe; barbel at corner of slightly subterminal mouth; scales on lateral line 57-64, usually 60-62; dorsal fin with 9-10 rays; 1st gill arch with 14-18 rakers; pharyngeal teeth 2,5-5,2; olive-gray above, silver gold side; large specimen with hump on nape; and red-orange caudal and paired fins (Ref. 86798).
Inhabits lakes and backwaters and pools of rivers. Tolerant of brackish water (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))
Hot mot människor
Harmless
Mänskliga användningsområden
Verktyg
Särskilda rapporter
Ladda ner XML
Internet-källor
Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.7500 [Uniqueness, from 0.5 = low to 2.0 = high]. |
|
Bayesian length-weight
|
a=0.00525 (0.00256 - 0.01076), b=3.10 (2.92 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
2.9 ±0.3 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) |
High vulnerability (56 of 100). 🛈 |