What should I look for when choosing a fish for my aquarium?

Consider the size of your tank and the mature size of the fish. Research the fish's temperament and compatibility with other species you plan to keep. Ensure the fish is active, alert, and shows no signs of illness, such as clamped fins, cloudy eyes, or unusual swimming behaviour. Ask the seller about the fish's diet and feeding habits.

What are the legal requirements for keeping certain types of fish in the UK?

Some species of fish are subject to specific regulations in the UK. It's crucial to research the species you intend to keep to ensure you comply with all relevant legislation, including those related to invasive species and animal welfare. Contact the Department for Environment, Food & Rural Affairs (Defra) for detailed information.

How do I ensure the fish I'm buying are healthy?

Observe the fish carefully for any signs of disease, such as white spots (Ich), fin rot, or unusual swelling. Ask the seller about the fish's quarantine history and whether they have been treated for any illnesses. A reputable seller should be able to provide information about the fish's health and origin. Avoid buying fish from tanks with visibly sick or dead fish.

What are the essential considerations for setting up a new fish tank?

Before introducing any fish, ensure your tank is properly cycled to establish a beneficial bacteria colony that will break down waste. Use a water testing kit to monitor water parameters like ammonia, nitrite, and nitrate levels. Provide appropriate filtration, heating, and lighting for the species you intend to keep. Research the specific needs of your chosen fish regarding water temperature, pH, and hardness.

What questions should I ask the seller before buying fish on Gumtree in Northern Ireland?

Enquire about the fish's age, size, and origin (wild-caught or captive-bred). Ask about their diet and feeding schedule. Determine if they have been quarantined and treated for any illnesses. Ask about the water parameters they are accustomed to (temperature, pH, hardness). Finally, ask why the seller is rehoming the fish.