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Cypriniformes (Carps) >
Catostomidae (Suckers) > Catostominae
Etymology: Catostomus: Greek, kata = down + Greek, stoma = mouth (Ref. 45335); commersonii: Named after P. Commerson, early french naturalist.
Eponymy: Dr Philibert Commerson (1727–1773) was known as ‘doctor, botanist and naturalist of the King’. [...] (Ref. 128868), visit book page.
More on author: Lacepède.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
; sötvatten; brackvatten bottenlevande; flodvandrande (Ref. 126106), usually ? - 30 m (Ref. 1998). Temperate; 0°C - 29°C (Ref. 35682); 68°N - 34°N
North America: throughout most of Canada to the Atlantic Coast, south through North Carolina to New Mexico in the USA, becoming less common in the southern High Plains.
Längd vid första mognad / Storlek / Vikt / Ålder
Könsmognad: Lm ?, range 23 - ? cm
Max length : 65.0 cm TL hane/ej könsbestämd; (Ref. 10294); common length : 40.7 cm TL hane/ej könsbestämd; (Ref. 12193); publicerad maxvikt: 2.9 kg (Ref. 4699); rapporterad maxålder: 12 år (Ref. 12193)
Adults inhabit a wide range of habitats, from rocky pools and riffles of headwaters to large lakes. They usually occur in small, clear, cool creeks and small to medium rivers. May be found at a depth greater than 45 m (Ref. 1998). They move to shallower water near sunrise and sunset to feed. Fry (1.2 cm in length) feed on plankton and other small invertebrates; bottom feeding commences upon reaching a length of 1.6-1.8 cm. Preyed upon by birds, fishes, lamprey, and mammals (Ref. 1998). Flesh is white, flaky, and sweet (Ref. 1998).
Adults home to certain gravelly spawning streams. Two to four males crowd around a female and press against her with their fins. Eggs are scattered and adhere to the gravel or are carried downstream and adhere to the substrate when the water is calmer. The spawning act lasts for 3-4 seconds and may occur 6-40 times an hour (Ref. 1998). Spent adults return to the lake 10-14 days after spawning began. Most females return to the lake during the first half of the downstream migration followed by most males in the latter half. Downstream fry migration occurs between dusk and dawn (Ref. 10928).
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)
Status på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
Fiskeri: mindre kommeriell; Vattenbruk: kommersiell; sportfisk: ja; bete: occasionally
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.01096 (0.00880 - 0.01367), b=3.00 (2.94 - 3.06), in cm total length, based on LWR estimates for this species (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
2.8 ±0.2 se; based on diet studies. |
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Generation time |
8.5 ( na - na) years. Estimated as median ln(3)/K based on 2 growth studies. |
Resiliens (Ref. 120179) |
Låg, lägsta populationsfördubblingstid 4,5-14 år (tm=6; tmax=12). |
Sårbarhet i fisket (Ref. 59153) |
High vulnerability (57 of 100). 🛈 |
Priskategori (Ref. 80766) |
Unknown.
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Näringsämnen (Ref. 124155) |
Calcium = 52.1 [25.3, 83.6] mg/100g; Iron = 0.403 [0.252, 0.694] mg/100g; Protein = 16.6 [14.4, 19.2] %; Omega3 = 0.736 [0.374, 1.461] g/100g; Selenium = 14.8 [8.2, 28.1] μg/100g; VitaminA = 11.4 [4.2, 29.5] μg/100g; Zinc = 0.696 [0.520, 0.964] mg/100g (wet weight); based on nutrient studies. |