Choosing the Right Tropical Fish for Your Aquarium at Discount Aquatics
- colindann
- Jun 17
- 3 min read
Updated: Jul 10
Starting your journey into the world of tropical fish keeping is exciting, relaxing, and visually rewarding. However, with so many species available, deciding which tropical fish are best for your aquarium can be overwhelming. At Discount Aquatics, we’ve helped thousands of fishkeepers—both beginners and experts—choose the perfect additions to their tanks. Whether you're setting up a small community tank or building a vibrant underwater world, here's our guide to selecting the right tropical fish for you.
1. Consider Your Aquarium Size
Not all tropical fish thrive in the same space. If you have a smaller tank (under 60L), consider peaceful species like:
Neon Tetras
Guppies
Zebra Danios
Corydoras Catfish
Larger tanks offer more options. You can choose from:
Angelfish
Gouramis
Swordtails
Rainbowfish
2. Think About Compatibility
Some tropical fish are peaceful and thrive in a community. Others can be territorial or aggressive. At Discount Aquatics, we recommend starting with peaceful fish that get along well with others. Popular community fish include:
Mollies
Platies
Cherry Barbs
Rasboras
It's best to avoid mixing aggressive or semi-aggressive species unless you have experience managing tank dynamics.
3. Low Maintenance Fish for Beginners
If you're new to the hobby, look for hardy tropical fish that are forgiving to beginners. Our top picks include:
Guppies
Mollies
Bristlenose Plecos
Kuhli Loaches
All of these species are available at great prices from Discount Aquatics, and our expert advice will ensure you’re set up for success.
4. Brighten Your Tank with Color
Want to add a splash of color to your aquarium? Some of the most vibrant tropical fish include:
Betta Fish (best kept solo)
Dwarf Gouramis
Electric Blue Rams
Cardinal Tetras
These fish are as beautiful as they are peaceful. Many are featured in our Discount Aquatics weekly deals.
5. Check Water Requirements
Different fish have specific preferences for temperatures and pH levels. Always check compatibility before purchasing new fish. Our team at Discount Aquatics is available to guide you in balancing your tank conditions. We can recommend products to keep your water stable and healthy.
6. Nutrition and Feeding
Proper nutrition is essential for your tropical fish's health. Different species have different dietary needs. Some may require a diet rich in protein, while others may thrive on plant-based foods. It's crucial to research the specific needs of your chosen fish and provide them with high-quality food.
Recommended Fish Foods
Flake Foods: Ideal for surface feeders like Tetras and Guppies.
Pellets: Great for bottom feeders such as Bristlenose Plecos.
Frozen or Freeze-Dried Foods: A treat for carnivorous species like Betta Fish.
For additional guidance on the best food for your fish, feel free to reach out to us.
7. Tank Setup and Decoration
Creating a stimulating environment is vital for your fish's well-being. Decorations and plants enhance both the aesthetic and the comfort of your aquarium. Consider using live plants, rocks, and hiding spots to mimic a natural habitat.
Tips for Tank Setup
Use a good quality substrate.
Include hiding spots with decorations.
Add floating plants for shade and security.
Final Thoughts
Choosing the right tropical fish is all about understanding your tank, your time commitment, and the personalities of the fish you want. At Discount Aquatics, we combine over 40 years of aquatic experience with unbeatable value. This combination enables you to confidently build the perfect underwater community.
Visit Discount Aquatics today to explore our hand-selected range of tropical fish, aquarium supplies, and expert support—all at the best prices in the UK.



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