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Freshwater Knifefish

2 products
Black Ghost Knifefish
(Apteronotus albifrons)
Starting at $16.79
The Black Ghost Knifefish is a member of the Apteronotidae family and the speckled knifefish group. It is considered a true bony fish. When properly cared for, the Black Ghost Knifefish can reach well over one foot in length. It possesses a weak electrical organ at the caudal peduncles which is used…
Silver Arowana
(Osteoglossum bicirrhosum)
Starting at $44.99
…River Basin in South America, the Arowana can reach an intimidating 47 inches in the wild, and is often too much for all but the advanced freshwater aquarist to manage. It can survive short times out of the water breathing air by utilizing its swim bladder.The Silver Arowana prefers a 250-gallon…
DFS21