Black Ghost Knife Fish (Apteronotus albifrons) Gourami Tank Requirements: Minimum 280-liter tank

Tank Requirements: Minimum 280-liter tank with a sandy substrate and plenty of hiding spots

but Xtreme quickly discovered that these 0

Compact Size: Grows to a manageable 10–15 cm

While it may display mild territoriality toward other plecos

soft to medium hardness (5–10 GH)

Black Ghost Knife Fish (Apteronotus albifrons) Gourami Tank Requirements: Minimum 280-liter tankBlack Ghost Knife Fish are fascinating, nocturnal fish known for their sleek, jet black bodies and unique swimming style using an undulating fin along their underside. They are intelligent and can even recognize their owners over time. Minimum Tank Requirements: Tank Size: 300 litres or more Temperature: 24 28C pH: 6. 5 7. 5 Tankmates: Best kept with peaceful, medium to large fish like rainbowfish, larger tetras, gouramis, and non aggressive cichlids.