B
Blue Gularis Killifish
Fundulopanchax sjoestedti
VS
C
Costello Tetra
Hemigrammus hyanuary
Choosing between Blue Gularis Killifish and Costello Tetra? 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.
Blue Gularis Killifish
Fundulopanchax sjoestedtiVS
Costello Tetra
Hemigrammus hyanuaryCommon Name
Blue Gularis Killifish
Costello Tetra
Scientific Name
Fundulopanchax sjoestedti
Hemigrammus hyanuary
Type
Freshwater
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Semi-Aggressive
Peaceful
Minimum Tank
20 gallons
10 gallons
Recommended Tank
30 gallons
20 gallons
Temperature
72°F - 78°F
72°F - 79°F
pH Range
6 - 7.5
5.5 - 7
Max Size
5 inches
2 inches
Lifespan
2-3 years
3-5 years
Diet
Live foods, Frozen bloodworms, High-quality pellets, Brine shrimp
High-quality flake food, Micro pellets, Brine shrimp, Daphnia
Blue Gularis Killifish
✓ Good For
Costello Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
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