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prized for its deep black body covered in fine white “starlike” spots and its distinct white edging along the dorsal and tail fins
They reach a size of 24 inches and are very impressive spiny black body
The species is not very aggressive and can be kept together with similar sizes fish
the Black Arowana offers a more refined and understated look
African Knifefish (Xenomystus nigri) Sizes:4 - 4.5 inches prized for its deep blackAfrican 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