F
Firefish Goby
Nemateleotris magnifica
VS
S
Swordtail
Xiphophorus hellerii
Choosing between Firefish Goby and Swordtail? 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.
Firefish Goby
Nemateleotris magnificaVS
Swordtail
Xiphophorus helleriiCommon Name
Firefish Goby
Swordtail
Scientific Name
Nemateleotris magnifica
Xiphophorus hellerii
Type
Saltwater / Marine
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
10 gallons
15 gallons
Recommended Tank
20 gallons
29 gallons
Temperature
72°F - 78°F
72°F - 82°F
pH Range
8.1 - 8.4
7 - 8.4
Max Size
3 inches
5.5 inches
Lifespan
3-5 years
3-5 years
Diet
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Marine flakes, Copepods
High-quality flake food, Algae-based foods, Vegetable matter, Frozen bloodworms, Brine shrimp, Daphnia
Firefish Goby
✓ Good For
- Community tanks
- Small tanks
Swordtail
✓ Good For
- Community tanks
- Beginners
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