Common Marine Fish Diseases and How to Prevent Them
1. Marine Ich
Marine Ich is one of the most prevalent diseases affecting saltwater fish. This parasitic infection is caused by Cryptocaryon irritans and manifests as white spots on the fish’s body, fins, and gills.
Symptoms
Tiny white spots resembling grains of salt.
Increased scratching or flashing against objects.
Labored breathing and lethargy.
Prevention and Treatment
Quarantine new fish for at least two weeks before introducing them to the main tank.
Maintain stable water parameters to reduce stress.
Treat infected fish with copper-based medications or a hyposalinity approach in a quarantine tank.
Marine Velvet is a highly aggressive parasitic disease caused by Amyloodinium ocellatum. This condition can lead to rapid mortality if not addressed promptly.
Symptoms
Fine, velvety coating on the skin.
Loss of appetite and erratic swimming behavior.
Rapid gill movement and respiratory distress.
Prevention and Treatment
Use a UV sterilizer to kill free-floating parasites.
Administer copper-based treatments in a quarantine tank.
Implement regular water changes to maintain pristine conditions.