Understanding Betta Fish: Myths and Truths
- Heather
- Dec 26, 2025
- 2 min read
Updated: Jan 5

Betta Fish are one of the most popular freshwater fish in the world. However, they are also one of the most misunderstood. In this post, we will debunk common myths surrounding Betta Fish and provide essential information for their care.
Common Myths About Betta Fish
Let's break down some quick information:
❌ Myth: Bettas are happy in bowls or tiny tanks
✅ Truth: Bettas thrive in heated, filtered aquariums. Ideally, the tank should be at least 5 gallons.
❌ Myth: They don’t need heaters
✅ Truth: Bettas are tropical fish and do best in water temperatures around 78–80°F.
❌ Myth: Dirty water is fine because they’re “hardy”
✅ Truth: Poor water quality is one of the biggest causes of betta stress and illness.
❌ Myth: Still water is better
✅ Truth: Gentle filtration helps keep water clean and stable.
❌ Myth: Betta fish must always live alone
✅ Truth: Some bettas can live with tank mates if the tank is large enough and carefully planned. Others prefer to be solo — personality matters.
❌ Myth: Any small fish makes a good tank mate
✅ Truth: Fin-nipping or flashy fish often cause stress or aggression. Calm, bottom-dwelling species are generally safer choices.
Why Proper Care Matters
When properly cared for, bettas are:
Curious and interactive
Intelligent (they can recognize people!)
Long-lived (3–5+ years with good care)
Absolutely stunning in planted tanks
If you have a betta and something feels “off,” it’s usually the setup, not you. Most betta issues are very fixable with small adjustments.
Creating the Perfect Betta Environment
Tank Size and Setup
Choosing the right tank size is crucial. A minimum of 5 gallons is recommended. This allows for better water quality and more space for your betta to swim.
Water Quality
Maintaining clean water is essential. Regular water changes and using a good filtration system can help keep your betta healthy. Test the water parameters regularly to ensure they are within the ideal range.
Temperature Control
Bettas thrive in warm water. A reliable heater is necessary to maintain a stable temperature. Aim for a range of 78–80°F for optimal health.
Tank Mates
If you decide to add tank mates, choose wisely. Look for calm species that won’t nip at your betta's fins. Always monitor their interactions to ensure a peaceful environment.
Troubleshooting Common Issues
If your betta is displaying unusual behavior, it might be due to environmental factors. Here are some common issues and solutions:
Lethargy: Check the water temperature and quality. Ensure the tank is not too small.
Aggression: If your betta is aggressive, consider removing tank mates or providing more hiding spots.
Faded Color: This can indicate stress or poor water quality. Test the water and make necessary adjustments.
Conclusion
Caring for Betta Fish can be a rewarding experience. By understanding the myths and truths about their needs, you can create a thriving environment for your aquatic friend. Remember, if you have questions or need assistance, I’m always happy to help troubleshoot betta tanks.
💙— Fish Momma 🐠