Environment: milieu / climate zone / depth range / distribution range
Ecologia
; Água doce demersal. Temperate
Europe: Northern Black Sea basin (Dniestr, South Bug and Dniepr drainages), southern Baltic basin (Odra, Vistula), southern North Sea basin (Elbe, Rhine). Reports from Lake Ilmen and Ladoga basins are questionable.
Tamanho / Peso / Idade
Maturity: Lm ? range ? - ? cm
Max length : 11.5 cm SL macho/indeterminado; (Ref. 59043); idade máx. registrada: 5 anos (Ref. 59043)
Descrição suscinta
Morfologia | Morfometria
Diagnosed from its congeners in Baltic and Black Sea basins by the following characters: longitudinal epithelial crests on predorsal scales; scales on lateral line 39-42 + 2; scale rows around caudal peduncle 14-16, rarely 12; dorsal fin with 7½ branched rays; anal fin with 6½ branched rays; dorsal behind middle of body, predorsal length greater than postdorsal length; anus closer to pelvic origin than to anal origin; snout longer than or equal to postorbital distance (Ref. 59043).
Inhabits bottom of moderately flowing lowland rivers and prefers sand bottom. A nocturnal species feeding on insect larvae and other larger benthic invertebrates (Ref. 59043).
Ciclo de vida ou comportamento de acasalamento
Maturidade | Reprodução | Desova | Ovos | Fecundidade | Larvas
Both sexes move to surface or open water to spawn (Ref. 59043). Females spawn up to 4 times during a season at about two-week intervals (Ref. 59043).
Naseka, A.M. and J. Freyhof, 2004. Romanogobio parvus, a new gudgeon from River Kuban, southern Russia (Cyprinidae, Gobioninae). Ichthyol. Explor. Freshwat. 15(1):17-23. (Ref. 52363)
Status na Lista Vermelha da UICN (Ref. 130435)
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