The Black Ghost Knifefish is a fascinating, nocturnal species known for its sleek black body, undulating movement, and unique ability to navigate using electrical signals. It is a favorite among exotic fish keepers. Specifications: Scientific Name: Apteronotus albifrons Origin: South America (Amazon and Orinoco River Basins) Maximum Size: Up to 20 inches (50 cm) Tank Requirements: Minimum 75 gallons; requires…