Explore coldwater aquarium fish at Apex Aquatic and discover species suited to cooler freshwater environments. Coldwater fish offer a different aquarium-keeping experience, with a range of appearances and behaviours to enjoy when their environmental needs are properly met.
When choosing coldwater fish, consider the species' adult size, temperature requirements, compatibility and the space available in your aquarium. Good filtration, suitable water conditions and regular maintenance are important for supporting healthy fish. Not every species labelled as a coldwater fish has identical care requirements, so check individual product descriptions before making your selection.
Shop coldwater fish online at Apex Aquatic and find suitable additions for your freshwater aquarium, with carefully packed livestock and Australia-wide shipping options.
22-27°C · pH 6.5-7.5 · zero ammonia and nitrite (fully cycled)
Cycled and planted where possible - schooling species need proper group sizes
Float 15-20 minutes, then add tank water gradually over half an hour
Quality flake or pellet as the staple, frozen and live foods for variety
Species-specific husbandry lives on each product page. Every fish is quarantined, and every coral dipped and pest-checked, before sale.
