Scardinius Hesperidicus
📖 Overview
Occurs in well vegetated lowland rivers, backwaters, oxbows, ponds, and lakes. Feeds mainly on macrophytes and terrestrial insects. Spawns on submerged plants when temperature rises above 18° C. May form locally hybrid populations with introduced Scardinius erythrophthalmus. Attains a maximum size of up to about 40 cm SL .
🔬 Taxonomy
🐟 Physical Description
Distinguished from its congeners in Mediterranean basin by the combination of the following characters: 36-39 + 2-3 scales along lateral line; anal fin with 10-12½ branched rays; dorsal head profile straight or slightly convex; snout pointing forward, tip at or slightly above level of middle eye; back not humped behind nape; eye not close to dorsal head profile when viewed laterally; articulation of lower jaw in front of anterior margin of eye; head profile lacking conspicuous angle of articulation of lower jaw; head length 24-27% SL; body depth 35-39% SL; caudal peduncle depth 11-12% SL; and all fins dark grey in adults larger than 10 cm SL .
🌀 Behaviour
Behavioural data for Scardinius Hesperidicus is currently being reviewed.
🦐 Diet
🥚 Reproduction
A fractional spawner. Spawns on submerged plants when temperature rises above 18° C.
🌍 Habitat & Distribution
Freshwater; benthopelagic. Temperate native to Po drainage and Adriatic rivers east of Po.
🌿 Ecology
macrophytes and terrestrial insects
📐 Morphometrics
🌡️ Water Parameters & Tolerance
🛡️ Conservation Assessment
📊 Population Risk & Fisheries
🦠 Common Diseases
The following diseases are known to affect Scardinius Hesperidicus.
🔍 Similar Species
👥 Community & Contribute
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