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Bolivian Ram - Mikrogeophagus altispinosus - Small

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The Bolivian Ram (Mikrogeophagus altispinosus) is the more uncommon of the Rams but tends to be hardier than the other species. They have silver-gold bodies with bright red fin trim, a black stripe through the eyes, black at the front of the dorsal fin and in a patch on each side, and a golden yellow chest and throat area. Males develop more intense colors, especially when breeding, but females and juveniles have a very similar coloration as well.

"Rams" are some of the most popular and suitable cichlids for community aquariums. The genus Mikrogeophagus has two species, M. altispinosus and M. ramirezi, both of which can be found in the aquarium trade often. They stay fairly small and are peaceful unless they are breeding, making them suitable for many community aquariums with smaller or more docile tankmates like tetras, danios, rainbows, rasboras and many others.

Rams will spawn in the substrate, usually leaving their eggs on rocks or driftwood. They will protect the nesting area and fry aggressively. It is best to try and keep a pair, if possible. They tend to stay toward the bottom of the tank, seeking cover in plants, driftwood, or rock caves.

Feed them a variety of foods including flake, small pellet, and meaty frozen foods. If you would like to breed them, feed them a high protein diet including small frozen foods. Rams are sensitive to water quality, so be sure you keep up with maintenance and try to keep the parameters pristine. M. ramirezi is found in softer water with a lower acidic pH (under 6.0) while M. altispinosus can be kept in more neutral conditions. Neither handle fluctuations in water quality or temperature or poor water quality well and can be vulnerable to disease and parasites if not kept properly.


F90 0022 1021
That Fish Place
Common NameBolivian Ram - Small
Scientific NameMikrogeophagus altispinosus
OriginSouth America
Max Size (in inches)3.5
Community SafeYes
pH Range6.0-7.8
Min Tank Size (in gallons)20
Temperature Range76-82
Internal Id

State Restrictions
Armed Forces Americas
Armed Forces Europe
Armed Forces Pacific
Puerto Rico


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Bolivian Rams


After reading this section on Bolivian Rams i picke up a pair today. They seem avery content an i am fascinated by there behavior. Thankyou for the information