Environment: milieu / climate zone / depth range / distribution range
Οικολογία
; Γλυκού νερού βενθικό(ς); 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.
Μέγεθος / Βάρος / Age
Maturity: Lm ? range ? - ? cm
Max length : 30.5 cm TL αρσενικό/απροσδιόριστο; (Ref. 40637); common length : 10.8 cm TL αρσενικό/απροσδιόριστο; (Ref. 12193); μεγ. δημοσιευμένο βάρος: 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
Γεννητική Ωρίμανση | Αναπαραγωγή | Γεννοβολία | Αβγά | Γονιμότητα | Προνύμφες
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)
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