Humpbacked limia
The humpbacked limia or black-barred limia (Limia nigrofasciata) is a species of poeciliid endemic indigenous to Haiti.  This species grows to a length of  SL.  Its natural habitat is in streams and lagoons, where it is associated with the cover of aquatic plants. It is also found in the aquarium trade.

References 

Humpbacked limia
Vertebrates of Haiti
Taxa named by Charles Tate Regan
Fish described in 1913