Kessler's gudgeon
📖 Overview
Adults inhabit fast-flowing piedmont rivers with large areas of sand bottom. They live in groups. Juveniles and adults are active during day. Preyson a variety of benthic invertebrates, usually catching drifting prey. Spawning occurs in shallow areas over gravel, sand or plant material in fast-flowing water. Gradual decline is expected due to on-going economic development. Are sensitive to organic pollution .
🔬 Taxonomy
🐟 Physical Description
Dorsal spines (total): 3; Dorsal soft rays (total): 8 - 9; Anal spines: 2; Anal soft rays: 6. Diagnosed from its congeners in Baltic and Black Sea basins by the possession of the following characters: predorsal scales with longitudinal epithelial crests; scale rows between lateral line and pelvic origin 3; scale rows around caudal peduncle 12; dorsal fin with 8½ branched rays; anal fin with 6½ branched rays; eye small, diameter 20-28% HL, 1.0-1.3 times in interorbital distance; body depth 14-21% SL .: elongated.
🌀 Behaviour
Behavioural data for Kessler's gudgeon is currently being reviewed.
🦐 Diet
🥚 Reproduction
Both sexes move to surface or open water to spawn. Eggs are released in successive portions and drift with current, sink to bottom and stick to substrate .
🌍 Habitat & Distribution
Freshwater; benthopelagic. Temperate; 52°N - 43°N, 17°E - 30°E
🌿 Ecology
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Gobio kessleri kessleri | Dybowski | 1862 | Synonym |
| Gobio kesslerii | Dybowski | 1862 | Homotypic |
| Gobio persa carpathorossicus | Vladykov | 1931 | Synonym |
| Gobio similis | Chichkoff | 1929 | Synonym |
| Gobio uranoscopus carpathorossicus | Vladykov | 1925 | Synonym |
🦠 Common Diseases
The following diseases are known to affect Kessler's gudgeon.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 8 records indexed .
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