Issue
Previously treated as a subspecies of Romanogobio albipinnatus (Ref. 59043).
Environment: milieu / climate zone / depth range / distribution range
البيئة
; المياه العذبة القاع. 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.
الحجم / وزن / العمر
Maturity: Lm ?  range ? - ? cm
Max length : 11.5 cm SL ذكر/ مختلط الجنس; (Ref. 59043); العمر: 5 سنين (Ref. 59043)
وصف مختصر
مفاتيح التعريف | الوصف الخارجي | قياسات المظهر الخارجي
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).
Life cycle and mating behavior
Maturities | التكاثر | Spawnings | Egg(s) | Fecundities | Larvae
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)
IUCN Red List Status (Ref. 130435)
استخدامات بشرية
أدوات
تقارير خاصة
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مصادر علي الأنترنت
Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00603 (0.00290 - 0.01252), b=3.12 (2.95 - 3.29), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
مستوى غذائي (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Generation time: 1.8 ( na - na) years. Estimated as median ln(3)/K based on 1
growth studies.
المرونه (Ref.
120179): عالي, الحد الزمني الأدني لتضاعف عدد أفراد المجتمع أقل من 15 شهر (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).