Subfamily Bunocephalinae Subfamily Hoplomyzontinae The Aspredinidae are a small South American family of catfishes (order Siluriformes) also known as the banjo catfishes. Aspredinids are found throughout the major tropical rivers of South America (e.g., Magdalena, Orinoco, Amazon, São Francisco, Paraguay-Paraná, and Uruguay). Bunocephalus is the...