Umwelt: Milieu / Klimazone / Tiefenbereich / Verbreitungsgebiet
Ökologie
seewasser; süßwasser; brackwasser benthopelagisch; anadrom (Ref. 138280); tiefenbereich 0 - 10 m (Ref. 7251). Temperate; 10°C - 33°C (Ref. 121663); 50°N - 32°N, 96°W - 59°W
North America: Atlantic Slope drainages from St. Lawrence drainage in Quebec, Canada south to Savannah River in Georgia, USA. Transplanted to Great Lakes (except Superior) and Ohio-Missouri-Mississippi river systems of mid-western USA; elsewere as far west as Colorado, USA.
Größe / Gewicht / Alter
Geschlechtsreife: Lm ?  range ? - ? cm
Max length : 58.0 cm TL Männchen/unbestimmt; (Ref. 86798); common length : 13.5 cm TL Männchen/unbestimmt; (Ref. 12193); max. veröff. Gewicht: 2.7 kg (Ref. 120584); max. veröff. Alter: 16 Jahre (Ref. 72462)
Adults occur in fresh, brackish and coastal waters (Ref. 7251). They inhabit pools and other quiet-water areas of medium to large rivers, usually over mud (Ref. 86798). Neither anterolateral glandular groove nor venom gland is present (Ref. 57406).
Assuming same mode of reproduction as in M. saxatilis.
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)
IUCN Rote Liste Status (Ref. 130435: Version 2025-2 (Global))
Bedrohung für Menschen
Harmless
Nutzung durch Menschen
Fischereien: weniger kommerziell; Sportfisch: ja; Aquarium: Öffentliche Aquarien
Tools
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Schätzungen auf der Grundlage von Modellen
Bevorzugte Temperatur (Ref.
123201): 4.7 - 18.2, mean 10.2 °C (based on 64 cells).
Phylogenetischer Diversitätsindex (Ref.
82804): PD
50 = 0.5781 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00447 (0.00184 - 0.01087), b=3.13 (2.91 - 3.35), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophische Ebene (Ref.
69278): 3.1 ±0.35 se; based on food items.
Generation time: 15.0 ( na - na) years. Estimated as median ln(3)/K based on 2
growth studies.
Widerstandsfähigkeit (Ref.
120179): niedrig, Verdopplung der Population dauert 4,5 - 14 Jahre. (K=0.07-0.13; tmax=7(?)).
Anfälligkeit der Fischerei (Ref.
59153): High to very high vulnerability (69 of 100).
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Klimaanfälligkeit (Ref.
125649): Moderate to high vulnerability (52 of 100).
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Nährstoffe (Ref.
124155): Calcium = 21.2 [10.2, 55.0] mg/100g; Iron = 0.219 [0.101, 0.486] mg/100g; Protein = 17.4 [15.8, 19.0] %; Omega3 = 0.264 [0.103, 0.641] g/100g; Selenium = 9.81 [3.76, 23.71] μg/100g; VitaminA = 21.7 [4.7, 95.5] μg/100g; Zinc = 0.932 [0.573, 1.452] mg/100g (wet weight);