There has been some research and suggestion that Malagasy fish of the genus Paretroplus are very sensitive to certain sounds (especially water pump hum, and motor noise) and certain of these sounds may influence the success or not of aquarium spawnings.
The Malagasy genus Paretroplus, and the Indian subcontinent genus Etroplus have evolved an entirely different type auditory systems than any other genera of cichlids.

Paretroplus maculates above.
Etroplus suratensus spawning below.


Paretroplus kieneri spawn above
Paretroplus menerambo spawn below

The Malagasy genus Paretroplus, and the Indian subcontinent genus Etroplus have evolved an entirely different type auditory systems than any other genera of cichlids.

Paretroplus maculates above.
Etroplus suratensus spawning below.


Paretroplus kieneri spawn above
Paretroplus menerambo spawn below
