Italian bleak
📖 Overview
Occurs in lentic waters on low-lying plains, with little current . Inhabits well oxygenated, clear montane and hilly streams and small rivers. Feeds on drifting insects or invertebrates fallen on waters surface. Threatened due to the pollution, impoundment of streams and invasion by non-native species .
🔬 Taxonomy
🐟 Physical Description
Diagnosed from congeners in the Apennine and Balkan peninsulas by having the following characters: anal fin origin immediately behind or below last branched dorsal ray; anal fin with 11-13½ branched rays; lateral line with 39-45 + 3 scales; 13-18 gill rakers; ventral keel exposed from anus to pelvic base; faint dark lateral stripe when preserved; pectoral fin reaching pelvic fin base; and mouth terminal .: fusiform / normal.
🌀 Behaviour
Behavioural data for Italian bleak is currently being reviewed.
🦐 Diet
🥚 Reproduction
🌍 Habitat & Distribution
Freshwater; benthopelagic; pH range: 6.8 - 7.8; dH range: 8 - 25. Temperate; 12°C - 28°C ; 47°N - 37°N, 7°E - 20°E
🌿 Ecology
drifting insects or invertebrates fallen on waters surface
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🌐 Names & Taxonomy
Scientific Synonyms
| Scientific Name | Author | Year | Status |
|---|---|---|---|
| Alburnus alburnus albidus | Costa | 1838 | Synonym |
| Leuciscus albidus | Costa | 1838 | Homotypic |
| Leuciscus cordilla | Valenciennes | 1844 | Heterotypic |
| Leuciscus vulturius | Costa | 1838 | Synonym |
🦠 Common Diseases
The following diseases are known to affect Italian bleak.
🔍 Similar Species
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 3 records indexed .
👥 Community & Contribute
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