Biotoecus opercularis

General data
- Main name: Biotoecus opercularis
- Habitat: Freshwater
Classification
- Genus: Biotoecus - Biotoecus
- Family: Cichlidae - Cichlids
- Order: Cichliformes - Cichlids
- Class: Teleostei - Ray-finned fishes
- Superclass: Osteichthyes - Bony fishes