Fig. 1From: 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.)Photographs of tagged nase (total length: 178 mm) and barbel (total length: 157 mm) taken at the intermediate measurement after 28 days post-tagging. White arrows indicate the point of tag injectionBack to article page