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Gobio kovatschevi Chichkoff, 1937

Varna gudgeon
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drawing shows typical species in Gobionidae.


Bulgaria country information

Common names: Varna gudgeon
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Found in the River Provadiskaya (enters Black Se near Varna) where it is still locally abundant in the upper reaches but extirpated in the lower reaches. Threatened due to pollution and its decline is expected to continue with ongoing economic development (Ref. 59043). Also Ref. 56793. Status of threat: vulnerable (Ref. 59043).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/bu.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Kottelat, M. and J. Freyhof, 2007
National Database:

Common names from other countries

Klassifizierung / Names Namen | Synonyme | Catalog of Fishes(Gattung, Arten) | ITIS | CoL | WoRMS | Cloffa

> Cypriniformes (Carps) > Gobionidae (Gudgeons)
Etymology: Gobio: Latin, gobius = gudgeon (Ref. 45335).

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

; süßwasser benthopelagisch.   Temperate

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Point map | Einführungen | Faunafri

Europe: River Provadiskaya (enters Black Sea near Varna) in Bulgaria.

Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm
Max length : 10.5 cm TL Männchen/unbestimmt; (Ref. 94844)

Kurzbeschreibung Morphologie | Morphometrie

Can be diagnosed from its congeners by having the following characters: breast scaled between pectorals, scales extending forward beyond pectoral base (at least in some individuals of any population); snout length greater than postorbital distance; barbel reaching behind center of eye, its length 25-34% HL, 1.2-1.8 times in snout length; head length 26-28% SL; head depth 12-17% SL at nape, 48-54% HL at eye; body depth 22-25% SL; head width 16-18% SL, 60-69% HL; eye diameter 5-6% SL, 2.7-3.4 times in head depth, 1.4-1.7 times in interorbital distance (at 7-10 cm SL); caudal peduncle depth 34-42% HL (Ref. 59043).

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Occurs only in the upper and middle stretch of a small, slowly flowing stream. Attains up to about 10 cm SL (Ref. 59043).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Upload your references | Referenzen | Koordinator | Partner

Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)

IUCN Rote Liste Status (Ref. 130435)

  gefährdet, siehe IUCN Red List (VU) (B1ab(iii,v)); Date assessed: 01 January 2008

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

  Harmless




Nutzung durch Menschen

FAO(Publication : search) | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00385 - 0.01363), b=3.16 (3.00 - 3.32), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trophic level (Ref. 69278):  3.2   ±0.4 se; based on size and trophs of closest relatives
Widerstandsfähigkeit (Ref. 120179):  hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref. 59153):  Low vulnerability (10 of 100).