Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθοπελαγικό. Temperate; 41°N - 36°N
North America: Sacramento-San Joaquin, Pajaro and Salinas River drainages in California, USA. Widely introduced elsewhere in western USA.
Μέγεθος / Βάρος / Age
Maturity: Lm ?  range ? - ? cm
Max length : 73.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 5723); common length : 30.0 cm TL αρσενικό/απροσδιόριστο; (Ref. 12193); μεγ. δημοσιευμένο βάρος: 1.4 kg (Ref. 40637); μεγ. αναφερόμενη ηλικία: 9 έτη (Ref. 72491)
Adults occur in vegetated sloughs, pools of sluggish rivers and lakes; now most common in ponds and impoundments (Ref. 5723).
Life cycle and mating behavior
Maturities | Αναπαραγωγή | Spawnings | Egg(s) | Fecundities | Προνύμφες
Male guarding lasts from 0-3 days (Ref. 93240).
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)
IUCN Red List Status (Ref. 130435)
Threat to humans
Harmless
Human uses
Εργαλεία
Special reports
Download XML
Διαδικτυακές πηγές
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 1.0000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00746 - 0.02125), b=3.06 (2.91 - 3.21), in cm total length, based on LWR estimates for this species & (Sub)family-body (Ref.
93245).
Τροφικό Επίπεδο (Ref.
69278): 3.6 ±0.5 se; based on size and trophs of closest relatives
Ελαστικότητα (Ref.
120179): Μεσαίο(α), ελάχιστος χρόνος για διπλασιασμό πληθυσμού 1,4 - 4,4 έτη (tmax=6).
Fishing Vulnerability (Ref.
59153): Moderate to high vulnerability (49 of 100).