Fig. 4From: Testing the effects of passive integrated transponder (PIT) tags on survival, growth, and tag retention of common nase (Chondrostoma nasus L.) and European barbel (Barbus barbus L.)Length–weight relationship of small and large barbel (a) and nase (b) comparing control (red) and treatment (blue) groups for the different points of measurements (start, intermediate, and end)Back to article page