Effects of climate change on Cyprinus carpio (Linnaeus, 1758) in the Danube river (2021-2024): analysis of sex ratios, condition and length-class distribution

Key Points

• Cyprinus carpio exhibits altered sex ratios and condition influenced by climate change.
• Findings indicate significant shifts in length-class distribution, impacting fish populations.
• Analysis focuses on Cyprinus carpio across the Danube river from 2021 to 2024.
• These results highlight the necessity for ongoing monitoring of aquatic species amidst climate shifts.