Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch. Temperate
North America: Extinct; formerly in USA (Sacramento-San Joaquin River, Clear Lake (Lake Co.), Pajaro River, Salinas River and San Franciso Bay drainages in Califormia).
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 25.0 cm SL mannelijk / geslacht onbekend; (Ref. 12193); common length : 20.0 cm TL mannelijk / geslacht onbekend; (Ref. 12193)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 8 - 9; Anale zachte stralen: 8 - 9. Caudal peduncle thick and deep. Body deep and compressed with nape high rising steeply from short, pointed head. Lateral line with 49-60 scales. Dorsal and anal fins with 8-9 rays. Pharyngeal teeth 2,5-4,2 (Ref. 86798).
Formerly found in marshes and backwaters along rivers and lake margins. Reported to reach a maximum size of 3.2 cm TL (Ref. 86798).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
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 op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.1 ±0.2 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).