Environment: milieu / climate zone / depth range / distribution range
Ecologia
; acqua dolce demersale; pH range: 7.0 - 7.5; dH range: 15 - ?. Temperate; 4°C - 22°C (Ref. 2060); 47°N - 28°N
North America: Eastern Rivers of USA and Canada. At least one country reports adverse ecological impact after introduction.
Size / Peso / Age
Maturity: Lm ? range ? - ? cm
Max length : 30.5 cm TL maschio/sesso non determinato; (Ref. 40637); common length : 10.8 cm TL maschio/sesso non determinato; (Ref. 12193); peso massimo pubblicato: 790.00 g (Ref. 4699)
Rocky and sandy pools of creeks and small to medium rivers; rocky and vegetated lake margins (Ref. 5723). Adults feed on terrestrial insects and both immature and adult aquatic insects, particularly larger varieties such as mayflies and dragonflies. Juveniles consume benthic organisms such as dipteran larvae (Ref. 10294).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
The female lays around 1000 eggs in the depression created by the male who later takes care of eggs and young alone (Ref. 26281).
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: Version 2024-1)
Threat to humans
Potential pest (Ref. 1986)
Human uses
Pesca: commerciale; Pesce da pesca sportiva: si; Acquario: Commerciale
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5001 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00832 (0.00520 - 0.01330), b=2.97 (2.84 - 3.10), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
Trophic level (Ref.
69278): 3.2 ±0.0 se; based on diet studies.
Resilienza (Ref.
120179): Medio, tempo minimo di raddoppiamento della popolazione 1.4 - 4.4 anni (Fec=1000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).
