What are common clinical signs of Aeromonas infection in fish?

Anorexia and skin discoloration are indeed common clinical signs of Aeromonas infection in fish. Aeromonas species are known to cause various disease conditions in aquatic animals, often leading to significant health issues. Anorexia indicates a lack of appetite, which is a typical response to stress or illness in fish. Skin discoloration can manifest as pale, red, or otherwise abnormal changes in pigmentation, often linked to the external wounds and infections caused by Aeromonas. These clinical signs reflect the fish's overall health deterioration and signal potential underlying infections, making them key indicators for diagnosis.

In contrast, excessive swimming and gasping may suggest other conditions, such as poor water quality or gill diseases, rather than a specific sign of Aeromonas infection. Severe aggression towards others is typically not associated with Aeromonas; rather, this behavior can stem from territorial disputes or overcrowding. Bright coloration and increased feeding are signs of good health in fish, which directly opposes the clinical picture presented by Aeromonas infections. Thus, recognizing anorexia and skin discoloration is crucial for effectively identifying and addressing Aeromonas-related health issues in fish.