Glass Knifefish Care Guide
Eigenmannia virescens
Stocking Calculator
Bioload Score
22000
Semi-AggressiveModerateFreshwater
- Max Size
- 35.0 cm / 13.8"
- Temperature
- 22–26°C (72–79°F)
- pH Range
- 6.0 – 7.5
- Min Tank Size
- 540L (143 gal)
- Min Group Size
- Can be kept alone
- Tank Level
- Bottom
- Origin
- South America
- Temperament
- Semi-Aggressive
- Difficulty
- Moderate
- Breeding Difficulty
- Moderate
Diet
Carnivorous; prefers live foods but can adapt to frozen and pellet foods.
Community Compatibility
Best kept in a species-specific tank or with large, non-aggressive fish.
Good to Know
Glass Knifefish are known for their electric sensing ability, used to navigate and communicate in murky waters.
Gender Differences
Sexual dimorphism is not pronounced.
Stock Glass Knifefish in Your Tank
Use our free stocking calculator to see if Glass Knifefish fits your aquarium