Cottus duranii, Chabot d'Auvergne

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Cottus duranii Freyhof, Kottelat & Nolte, 2005

Chabot d'Auvergne
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drawing shows typical species in Cottidae.

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Perciformes/Cottoidei (Sculpins) > Cottidae (Sculpins)
Etymology: Cottus: Greek, kottos = a fish (Ref. 45335);  duranii: Named for Duranius (Durranus, Dordonia, etc.), the Latin name of River Dordogne which is the type locality of the species..
More on authors: Freyhof, Kottelat & Nolte.

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

; zoet water benthopelagisch. Temperate

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Europe: Upper Dordogne and upper Loire drainages in France. Populations from upper Lot are possibly conspecific.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm SL mannelijk / geslacht onbekend; (Ref. 89113)

Korte beschrijving Morfologie | Morfometrie

Anale zachte stralen: 12 - 13. Differs from all species of Cottus in Europe by the dorsal fins usually separate in both sexes. Other characters useful to distinguish the species from other Cottus in Atlantic drainages include: relatively elongated body; first dorsal fin low, slightly rounded or regularly slanted; caudal peduncle stout (length 14-20% SL; depth 8-9% SL and 1.5-2.4 times in its length); no prickling in adults; eye diameter 19-26% of HL; interorbital distance 0.9-1.2 times in eye diameter; last anal-fin ray connected to body by a membrane at most along 1/4 of its length; last dorsal-fin ray connected to body by a membrane along 1/2-4/5 of its length; no membrane between pelvic fin and body; pelvic-fin ray 1 straight and slender; lateral line complete (Ref. 55856).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Inhabits streams with clear, cool, moderate to swift water and stone substrate (Ref. 59043).

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Keith, P., H. Persat, E. Feunteun and J. Allardi, 2011. Les poissons d'eau douce de France. Biotope, Mèze; Muséum national d'Histoire naturelle, Paris (collection Inventaires et biodiversité), 552 p. (Ref. 89113)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Onvoldoende gegevens (DD) ; Date assessed: 01 January 2008

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

FAO - Publication: search | FishSource |

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [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).
Trofisch niveau (Ref. 69278):  3.3   ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref. 120179):  Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).