Chrosomus eos, Northern redbelly dace : aquarium, bait

Chrosomus eos Cope, 1861

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

Actinoptérygiens (poissons à nageoires rayonnées) > Cypriniformes (Carps) > Cyprinidae (Minnows or carps) > Leuciscinae
Etymology: Chrosomus: Chrosomus meaning color (Ref. 1998).  More on author: Cope.

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

; eau douce démersal; non migrateur.   Temperate; 61°N - 41°N

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

North America: Atlantic, Great Lakes, Hudson Bay, and upper Mississippi, Missouri and Peace-Mackenzie River drainages, from Nova Scotia west to Northwest Territories and British Columbia in Canada; south to northern Pennsylvania, Wisconsin and Nebraska in USA. Isolated population in South Platte River system in Colorado, USA.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 8.0 cm TL mâle / non sexé; (Ref. 86798); common length : 4.8 cm TL mâle / non sexé; (Ref. 12193); âge max. reporté: 3.00 années (Ref. 12193)

Description synthétique Morphologie | Morphométrie

Chrosomus eos is distinguished from a similar species C. erythrogaster by having more rounded, shorter (about equal to eye diameter) snout and more upturned mouth, with chin in front of upper lip. Other characters useful to identify this species include 70-90 lateral scales and red or yellow belly, head, and fins in large males (Ref. 86798).

Biologie     Glossaire (ex. epibenthic)

Inhabits lakes, ponds, bogs, and pools of headwaters and creeks. Usually occurs over silt, often near vegetation (Ref. 86798). Feeds mainly on algae, but also on zooplankton and aquatic insects. Preyed upon by fishes, kingfishers and mergansers (Ref. 1998). Spawning occurs in spring or early summer (Ref. 1998). Used as bait in parts of Ontario and Quebec (Ref. 1998).

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

A female attracts a few males with her darting movements. Together, the group dives into a mass of filamentous algae and release sperm and nonadhesive eggs. The group spawns in several algal masses.

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

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)

Statut dans la liste rouge de l'IUCN (Ref. 123251)

  Préoccupation mineure (LC) ; Date assessed: 03 November 2011

CITES (Ref. 118484)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

Aquarium: Aquariums publics; appât: occasionally
FAO(Publication : search) | FishSource |

Plus d'informations

Noms communs
Synonymes
Métabolisme
Prédateurs
Écotoxicologie
Reproduction
Maturité
Frai
Rassemblement de ponte
Fécondité
Œufs
Développement de l'œuf
Taille/Âge
Croissance
Longueur-poids
Longueur-longueur
Fréquences de longueurs
Morphométrie
Morphologie
Larves
Dynamique des populations larvaires
Recrutement
Abondance
Références
Aquaculture
Profil d'aquaculture
Souches
Génétique
Fréquences alléliques
Héritabilité
Pathologies
Traitement
Mass conversion
Collaborateurs
Images
Stamps, Coins Misc.
Sons
Ciguatera
Vitesse
Type de nage
Surface branchiale
Otolithes
Cerveaux
Vision

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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5078   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00314 - 0.01524), b=3.09 (2.91 - 3.27), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  2.5   ±0.1 se; based on diet studies.
Generation time: 1.0 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.
Résilience (Ref. 120179):  Haut, temps minimum de doublement de population inférieur à 15 mois (tmax=3).
Vulnérabilité (Ref. 59153):  Low vulnerability (12 of 100) .