This can mean that they ultimately kill each other off, albeit by accident.īoth tropical and cold water fish need good filtration systems but this is particularly important for goldfish thanks to the mess that they can create.
There is also a risk that if one species falls ill, the other will not have sufficient immunity for that disease. You’ll have to decide whether you want cold water or tropical species in your tank – never try to have a mixture of both unless you’ve already got good experience of caring for fish.īecause they appreciate different water temperatures, it is very challenging to find middle ground that will suit them both. ALWAYS double-check with the specialist at the shop when you’re looking to buy a particular type of fish. Tropical fish need water that is between 76° to 80☏ ( 25° to 27☌) although different types of fish have different requirements. On the flip side, “tropical” or “warm water” fish need their water to be at an optimum temperature to be healthy and comfortable. Goldfish are a prime example of this type of fish. What are the differences between cold water and tropical fish?Ī “cold water” fish doesn’t specifically require its water to be heated. Here are some of the things that you should consider when choosing fish, especially if this is the first time that you’ll be owning them. It’s important to understand the likes and dislikes of both so that you don’t mistakenly set up an aquarium that causes distress to your fish. There are literally thousands of fish species to choose from but one of the most important decisions that you’ll need to think about is whether you’ll choose cold water or tropical fish. Are you planning to introduce an aquarium to your home?