This fish develops a large head as it gets older especially the males. It will be obvious when the spawn itself is imminent as the female will assume a special brood care patterning of darkened colours.
Duodecimspinosus gymnogeophagus cyanopterus.
Gymnogeophagus balzanii care. Geophagus balzanii physical description. Cichlids south america eartheaters paraguay mouthbrooder profile. Dominant male fish will develop a spectacular nuchal hump.
Up to 8 inches 20cm females smaller. Paraná river basin in the paraguay drainage in brazil and paraguay the paraná drainage in argentina the lower uruguay drainage in uruguay and brazil. Geophagus balzanii gymnogeophagus balzanii is a peaceful colorful easy to care for geophagus.
The ancestral parental care in these fish involves substrate spawning which is one of the most common breeding habits in south american cichlids and involves a monogamous mating in which after choosing and cleaning a substrate surface the eggs are laid. This fish grows to 7 8 inch. In mature fish the males are larger more colourful and develop elongated anal and dorsal fins.
Somewhere in the range 70 77 f 21 25 c is best. Balzanii prefers water a little cooler than most other south american cichlids. The male does not usually enter the territory of the female until just before spawning.
An oval shaped fish with a tiny mouth males develop an enormous hump on their forehead that extends from the front of the base of the dorsal fin to the lips. Gymnogeophagus exhibit the same vigilant parental care provided by cichlids in general. It has a small mouth for its size.
Paraguay mouthbrooder paraguay eartheater balzanii gymnogeophagus balzanii synonyms. Argentina brazil paraguay and uruguay. However of all the gymnogeophagus species collected from the paraná river basin area geophagus balzanii is by far the most heat hardy color bed8f8 b aquarium care b color geophagus balzanii do well in aquariums of at least 30 gallons in size with 75 gallons or more being more suitable for full sized adults.
Gymnogeophagus balzanii paraguay eartheater classification.