Nothobranchius lourensi

Nothobranchius lourensi is a species of fish in the family Nothobranchiidae. It is known only from the floodplain of the Ruvu River in eastern Tanzania where it is found in temporary pools, where the type was originally collected by Jan Lourens, a biologist with the United Nations Development Programme in Dar es Salaam and who is honoured in its specific name.