Sulphur-headed Hap
Otopharynx lithobates
- Least concern
- Card rarity: Common
- Fish

Otopharynx lithobates is a species of cichlid endemic to Lake Malawi. This species can reach a length of 16 centimetres (6.3 in) TL. This species can also be found in the aquarium trade. As O. walteri this species was known as Aristochromis deep in the aquarium trade.
Classification
- Class
- Actinopterygii
- Order
- Cichliformes
- Family
- Cichlidae
- Genus
- Otopharynx