African Knifefish (Xenomystus nigri) Sizes:7 inches Their peaceful temperament and graceful

Their peaceful temperament and graceful movements make them a standout choice for large

Minimum Tank Size: 55–75 gallons

low turbulence

Unlike common plecos

True monster fish

African Knifefish (Xenomystus nigri) Sizes:7 inches Their peaceful temperament and gracefulAfrican Knifefish Xenomystus nigriThe shadow that moves The African Knifefish is a true oddball predator sleek, mysterious, and unlike almost any other freshwater species. Its laterally compressed, blade shaped body and continuous flowing fin allow it to glide effortlessly through the water, even swimming backward with perfect control. Colored in deep charcoal to jet black, it often appears as a moving shadow rather than a fish, especially under dim