Description
Paratilapia bleekeri
Paratilapia polleni
Ptychochromis grandidieri
Date 1885
Source Histoire Physique, Naturelle et Politique de Madagascar. Volume 16 Histoire Naturelle des Poissons (atlas)(http://www.archive.org/details/histoirephysique16gran)
Author text: Alfred Grandidier (1836-1921) artists: various (Karmanski)
Source: https://commons.wikimedia.org/wiki/File:GrandidierMadagascarFishes_0107.jpg

Ptychochromis grandidieri is a species of fish in the Cichlidae family endemic to river basins along a large part of the eastern coast of Madagascar, although it has been recorded as far as 100 km (62 mi) inland. Uniquely in the genus Ptychochromis, this species also occurs in brackish water. It reaches 21.3 cm (8.4 in) in standard length. It shares a large part of its range with a cichlid from another genus, Paretroplus polyactis. Order: Perciformes, Family: Cichlidae, Subfamily: Ptychochrominae.
Synonyms:
Tilapia grandidieri (Sauvage, 1882)
Ptychochromis madagascariensis Liénard, 1891
Tilapia madagascariensis (Liénard, 1891)