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Croatia’s native crucian carp was once widespread in lowland waters. After a century of river regulation, the invasive gibel carp dominates, and the native #fish survives only in a few isolated oxbows and channels. This new study traces the shift from 1883 to 2025. doi.org/10.3897/natu...

doi.orgTemporal changes in the distribution of Carassius carassius and the invasive Carassius gibelio in Croatian freshwatersAnthropogenic modification of freshwater ecosystems has drastically transformed freshwater habitats across Europe, contributing to the decline of limnophilic fish species and promoting the spread of i...

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