What coldwater fish should I choose?
When choosing a coldwater fish you’d be surprised at the amount of varieties that are available to choose from. Even the humble goldfish comes in many variations. Take advice from the pet shop owner on the best mix of fish as some species are just not compatible together in the confines of a fish tank.
Here are some general guidelines however:
- Don’t combine large fish with very small fish as invariably the smaller ones will end up as lunch for the bigger ones!
- Keep shoaling fish together in numbers – if you get a lone one it will get stressed.
- Be aware that depending on the fish they will have different feeding requirements and you will have to cater for all of them
- Think about introducing some bottom feeding fish as these will keep your gravel clean
Of all breeds the common goldfish is the most popular and will happily reside in a fishtank as well as a pond. However they do require filtration to keep the water clean and to oxygenate the water so your goldfish can breathe. They also grow up to 20cm and need a fish tank and need more space than the archetypal fish bowl can provide.
Comets are great starter fish as they are very hardy. They require a fair amount of space as they can grow up to 30cm and are fast swimmers which makes them especially suitable to ponds. They are quick eaters so don’t mix them with slower eating varieties!
Oranders are colourful goldfish and have an unusually shaped head. They are slow fish and don’t like to be mixed with their faster counterparts. Keep their food varied as this will prevent them contracting swimbladder problems.
Things to consider:
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