H
Helfrichi Firefish
Nemateleotris helfrichi
VS
M
Medaka
Oryzias latipes
Choosing between Helfrichi Firefish and Medaka? 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.
Helfrichi Firefish
Nemateleotris helfrichiVS
Medaka
Oryzias latipesCommon Name
Helfrichi Firefish
Medaka
Scientific Name
Nemateleotris helfrichi
Oryzias latipes
Type
Saltwater / Marine
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
10 gallons
Recommended Tank
30 gallons
20 gallons
Temperature
72°F - 78°F
64°F - 75°F
pH Range
8.1 - 8.4
7 - 8
Max Size
2.5 inches
1.5 inches
Lifespan
3-5 years
2-4 years
Diet
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
Micro pellets, Crushed flakes, Frozen cyclops, Small live foods
Helfrichi Firefish
✓ Good For
- Community tanks
Medaka
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
Explore More
Similar Comparisons
Discover other popular fish pairings to find your perfect aquarium match.