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Catostomus commersonii  (Lacepède, 1803)

White sucker
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Catostomus commersonii   AquaMaps   Data sources: GBIF OBIS
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Image of Catostomus commersonii (White sucker)
Catostomus commersonii
Picture by Seelig, C.

Classification / Names Noms communs | Synonymes | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinoptérygiens (poissons à nageoires rayonnées) > Cypriniformes (Carps) > Catostomidae (Suckers) > Catostominae
Etymology: Catostomus: Greek, kata = down + Greek, stoma = mouth (Ref. 45335);  commersonii: Named after P. Commerson, early french naturalist.

Environment: milieu / climate zone / depth range / distribution range Écologie

; eau douce; saumâtre démersal, usually ? - 30 m (Ref. 1998).   Temperate; 0°C - 29°C (Ref. 35682); 68°N - 34°N

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

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.

Length at first maturity / Taille / Poids / Âge

Maturity: Lm ?, range 23 - ? cm
Max length : 65.0 cm TL mâle / non sexé; (Ref. 10294); common length : 40.7 cm TL mâle / non sexé; (Ref. 12193); poids max. publié: 2.9 kg (Ref. 4699); âge max. reporté: 12 années (Ref. 12193)

Biologie     Glossaire (ex. epibenthic)

Inhabits a wide range of habitats, from rocky pools and riffles of headwaters to large lakes. Usually occurs in small, clear, cool creeks and small to medium rivers. May be found at a depth greater than 45 m (Ref. 1998). Moves 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).

Life cycle and mating behavior Maturité | Reproduction | Frai | Œufs | Fécondité | Larves

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).

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 115185)

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless




Utilisations par l'homme

Pêcheries: intérêt commercial mineur; Aquaculture: commercial; pêche sportive: oui; appât: occasionally
FAO(Publication : search) | FishSource |

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Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01259 (0.00990 - 0.01601), b=2.99 (2.92 - 3.06), in cm Total Length, based on LWR estimates for this species (Ref. 93245).
Niveau trophique (Ref. 69278):  2.8   ±0.2 se; Based on diet studies.
Résilience (Ref. 69278):  Faible, temps minimum de doublement de population : 4,5 à 14 années (tm=6; tmax=12).
Prior r = 0.43, 2 SD range = 0.22 - 0.85, log(r) = -0.84, SD log(r) = 0.34, Based on: 2 K, 2 tgen, 1 tmax, 1 Fec records
Vulnérabilité (Ref. 59153):  High vulnerability (57 of 100) .
Catégorie de prix (Ref. 80766):   Unknown.