最初命名為 Crenicichla iguassuensis:
ZooBank:9D210167-C53A-449C-8309-6908D340D8B5.
- Haseman, John D.. 1911. "An annotated catalog of the cichlid fishes collected by the expedition of the Carnegie Museum to central South America, 1907-10". Annals of the Carnegie Museum. 329-373 (crc00340)
保育: Crenicichla iguassuensis 被評鑑為國際自然保育聯盟瀕危物種紅皮書名單中的 (LC) 無危 (2018). Crenicichla iguassuensis is widely distributed species in the Iguaçu River basin, where it is frequent and abundant, with no significant threats that endanger their population (ICMBio, 2022).