How much do you really know about betta fish? 8 questions — learn as you go!
📚 What you learned about betta fish
What size tank does a pet betta really need?✅ At least 5 gallons, heatedBettas need a heated, filtered tank of at least 5 gallons to stay healthy.
Why does a betta need a heater?✅ Because it is a tropical fishBettas are tropical and need steady water around 78–80°F, warmer than most rooms.
Can two male bettas share one tank?✅ No — they will fightTwo male bettas will fight, often fatally, so each one needs its own tank.
What special organ lets a betta gulp air at the surface?✅ A labyrinth organThe labyrinth organ lets a betta breathe air, not just water.
How long do pet bettas usually live?✅ About 2 to 4 yearsMost bettas live two to four years, and a little longer in a well-kept tank.
What is a betta doing when it puffs out its gills and fins?✅ Flaring to show offFlaring is a betta showing off or warning something it thinks is a rival.
What is the best everyday food for a betta?✅ Betta pellets made from proteinBettas are meat-eaters, so protein-rich betta pellets are their staple food.
How can you play with a betta without touching it?✅ Move a finger slowly along the glassMany bettas will follow a finger moved slowly along the glass — tapping just scares them.