Margariscus nachtriebi, Northern pearl dace

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Margariscus nachtriebi (Cox, 1896)

Northern pearl dace
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Image of Margariscus nachtriebi (Northern pearl dace)
No image available for this species;
drawing shows typical species in Leuciscidae.

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

> Cypriniformes (Carps) > Leuciscidae (Minnows) > Plagopterinae
Etymology: Margariscus: Greek, margariskos = pearl (Ref. 45335).

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

; eau douce benthopélagique. Temperate

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

North America: Atlantic, Hudson Bay, Great Lakes, and Mississippi River basins in south Canada and north USA from Atlantic Coast to south Northwest Territories, east British Columbia, and Montana; south to New York, Wisconsin and Iowa. Isolated population in upper Missouri River basin in South Dakota, Nebraska and Wyoming.

Taille / Poids / Âge

Maturity: Lm ?  range ? - ? cm
Max length : 16.0 cm TL mâle / non sexé; (Ref. 86798)

Description synthétique Morphologie | Morphométrie

Rayons mous dorsaux (Total): 8; Rayons mous anaux: 8. <>Margariscus nachtriebi can be distinguished by the possession of the following characters: usually complete lateral line; 60-75 small lateral scales; short head; fairly deep caudal peduncle; flaplike barbel in groove above mouth (often missing on 1 or both side); almost cylindrical body; rounded snout; small, slightly subterminal mouth (seldom reaching front of eye); origin of dorsal fin behind origin of pelvic fin; 8 dorsal rays; 8 anal rays; and pharyngeal teeth 2,5-4,2. Body dark olive gray above, often with black herringbone lines, dark stripe along back; many small black and brown specks (absent in western populations) on silver side; white, yellow or red below; black stripe along side, black caudal spot on young; stripe vague on adult. Breeding male has bright orange-red lower side, pale yellow stripe along belly and many small tubercles on head (Ref. 86798).

Biologie     Glossaire (ex. epibenthic)

Inhabits pools of creeks and small rivers, ponds and lakes. Usually found over sand or gravel (Ref. 86798).

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

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. 130435)

  Préoccupation mineure (LC) ; Date assessed: 01 March 2012

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Menace pour l'homme

  Harmless





Utilisations par l'homme

FAO - Publication: search | FishSource |

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Sources Internet

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | FishWatcher | CISTI | Catalog of Fishes: Genre, Espèce | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: génôme, nucléotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Arbre de Vie | Wikipedia: aller à, chercher | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.7500   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  3.3   ±0.5 se; based on size and trophs of closest relatives
Résilience (Ref. 120179):  Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).