B
Betta Fish
Betta splendens
VS
P
Purple Firefish
Nemateleotris decora
Choosing between Betta Fish and Purple Firefish? Both are excellent choices, but they have different care requirements and temperaments. Use the detailed comparison below to make an informed decision based on your experience level, tank size, and community goals.
Betta Fish
Betta splendensVS
Purple Firefish
Nemateleotris decoraCommon Name
Betta Fish
Purple Firefish
Scientific Name
Betta splendens
Nemateleotris decora
Type
Freshwater
Saltwater / Marine
Difficulty
Beginner Friendly
Intermediate
Temperament
Aggressive
Peaceful
Minimum Tank
5 gallons
20 gallons
Recommended Tank
10 gallons
30 gallons
Temperature
76°F - 82°F
72°F - 78°F
pH Range
6.5 - 7.5
8.1 - 8.4
Max Size
3 inches
3 inches
Lifespan
2-5 years
3-5 years
Diet
Pellets, Flakes, Freeze-dried foods, Live foods (occasionally)
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
Betta Fish
✓ Good For
- Beginners
- Small tanks
Purple Firefish
✓ Good For
- Community tanks
Explore More
Similar Comparisons
Discover other popular fish pairings to find your perfect aquarium match.