B

Black Ghost Knife Fish

Apteronotus albifrons

VS
F

Firefish Goby

Nemateleotris magnifica

Choosing between Black Ghost Knife Fish and Firefish Goby? 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.

Black Ghost Knife Fish

Apteronotus albifrons
VS

Firefish Goby

Nemateleotris magnifica
These fish can typically coexist peacefully
Common Name
Black Ghost Knife Fish
Firefish Goby
Scientific Name
Apteronotus albifrons
Nemateleotris magnifica
Type
Freshwater
Saltwater / Marine
Difficulty
Advanced
Intermediate
Temperament
Semi-Aggressive
Peaceful
Minimum Tank
75 gallons
10 gallons
Recommended Tank
100 gallons
20 gallons
Temperature
73°F - 80°F
72°F - 78°F
pH Range
6 - 8
8.1 - 8.4
Max Size
20 inches
3 inches
Lifespan
10-15 years
3-5 years
Diet
Live or frozen bloodworms, Krill, Pellets, Small fish
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Marine flakes, Copepods

Black Ghost Knife Fish

✓ Good For

Firefish Goby

✓ Good For

  • Community tanks
  • Small tanks
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