Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة القاع; 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.
الحجم / وزن / العمر
Maturity: Lm ? range ? - ? cm
Max length : 30.5 cm TL ذكر/ مختلط الجنس; (Ref. 40637); common length : 10.8 cm TL ذكر/ مختلط الجنس; (Ref. 12193); أعلا وزن تم نشرة: 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
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
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)
خطر للأنسان
Potential pest (Ref. 1986)
استخدامات بشرية
مصائد: تجاري; لعبة سمكه: نعم; حوض مائي: تجاري
أدوات
تقارير خاصة
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مصادر علي الأنترنت
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=0.01413 (0.00744 - 0.02681), b=3.11 (2.95 - 3.27), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.2 ±0.0 se; based on diet studies.
المرونه (Ref.
120179): وسيط, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع 1.4-4.4 سنة (Fec=1000).
Fishing Vulnerability (Ref.
59153): Low vulnerability (21 of 100).
