Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce; saumâtre benthopélagique. Temperate; 39°N - 35°N
North America: Sacramento-San Joaquin, Pajaro and Salinas River drainages; Clear Lake in California, USA; also Russian River, where possibly introduced; introduced to Santa Ana River in California and Humboldt River system in Nevada.
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 55.0 cm TL mâle / non sexé; (Ref. 5723); common length : 35.0 cm TL mâle / non sexé; (Ref. 12193); âge max. reporté: 5 années (Ref. 72462)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Rayons mous dorsaux (Total) : 9 - 11. Dorsal fin with 9-11 rays; dorsal-fin origin in front of pelvic-fin origin; 90-105 scales on lateral line; wide head, flat above; slightly upturned mouth; slender, compressed body; long narrow caudal peduncle; pharyngeal teeth 0,6-6,0 or 0,6-5,0; light to dark gray above, often olive sheen; silver side (Ref. 86798).
Body shape (shape guide): fusiform / normal.
Adults occur in lakes, backwaters and sluggish pools of small to large rivers. Usually found in warm turbid water (Ref. 86798). Migratory behaviour is undetermined (Ref. 126106).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
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)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf. 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). |
Niveau trophique (Réf. 69278) |
2.0 ±0.2 se; based on size and trophs of closest relatives |
Résilience (Réf. 120179) |
Très faible, temps minimum de doublement de population supérieur à 14 ans (Preliminary K or Fecundity.). |
Vulnérabilité de la pêche (Ref. 59153) |
High vulnerability (64 of 100). 🛈 |