Churchill
Petrocephalus catostoma
- Least concern
- Card rarity: Common
- Fish

Petrocephalus catostoma, the Churchill, is a species of electric fish in the family Mormyridae, found in the Rovuma River system including the Niassa Reserve, and the western confluences to Lake Malawi.
Classification
- Class
- Actinopterygii
- Order
- Osteoglossiformes
- Family
- Mormyridae
- Genus
- Petrocephalus