Aulonocara koningsi

Aulonocara koningsi is restricted to the waters around Mbenji Island. This species has a rounded back. The territorial males are uniformly blue with the egg spots normally shown by the males of the genus Aulonocara on the anal fin being either absent or greatly reduced. Females and non-territorial males are marked with dark vertical bars which often connect on the belly, they also have spots on their flanks.