B
Black Ghost Knife Fish
Apteronotus albifrons
VS
B
Blue Gourami
Trichogaster trichopterus
Choosing between Black Ghost Knife Fish and Blue Gourami? 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 albifronsVS
Blue Gourami
Trichogaster trichopterusCommon Name
Black Ghost Knife Fish
Blue Gourami
Scientific Name
Apteronotus albifrons
Trichogaster trichopterus
Type
Freshwater
Freshwater
Difficulty
Advanced
Beginner Friendly
Temperament
Semi-Aggressive
Semi-Aggressive
Minimum Tank
75 gallons
30 gallons
Recommended Tank
100 gallons
40 gallons
Temperature
73°F - 80°F
72°F - 82°F
pH Range
6 - 8
6 - 8
Max Size
20 inches
6 inches
Lifespan
10-15 years
4-6 years
Diet
Live or frozen bloodworms, Krill, Pellets, Small fish
Flakes, Pellets, Frozen foods, Vegetables
Black Ghost Knife Fish
✓ Good For
Blue Gourami
✓ Good For
- Community tanks
- Beginners
Explore More
Similar Comparisons
Discover other popular fish pairings to find your perfect aquarium match.