Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water demersaal. Temperate; 44°N - 43°N
North America: Columbia River drainage in Idaho, Washington and Oregon, USA.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ?  range ? - ? cm
Max length : 9.6 cm TL mannelijk / geslacht onbekend; (Ref. 5723); common length : 7.0 cm TL mannelijk / geslacht onbekend; (Ref. 12193); max. gerapporteerde leeftijd: 6 Jaren (Ref. 12193)
Adults occur in quiet backwaters and pool margins of small to large rivers. Usually found near vegetation over sand (Ref. 5723). Migratory behaviour is undetermined (Ref. 126106).
Page, L.M. and B.M. Burr, 1991. A field guide to freshwater fishes of North America north of Mexico. Houghton Mifflin Company, Boston. 432 p. (Ref. 5723)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
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Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref. 82804) |
PD50 = 1.0002 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00575 (0.00275 - 0.01206), b=3.08 (2.89 - 3.27), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref. 93245). |
Trofisch niveau (Ref. 69278) |
3.3 ±0.4 se; based on size and trophs of closest relatives |
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Generation time |
2.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies. |
Weerstandsvermogen (Ref. 120179) |
Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (tmax = 6; Fec = 5,370). |
Kwetsbaarheid van de visserij (Ref. 59153) |
Low vulnerability (24 of 100). 🛈 |