Bolivian Ram Care Guide
Mikrogeophagus altispinosus · Freshwater Fish
What Bolivian Ram look like
Mikrogeophagus altispinosus, commonly known as the Bolivian Ram, is a diminutive cichlid characterized by its laterally compressed, fusiform body shape, reaching a maximum adult size of approximately 2-3 inches (5-7.5 cm). The species exhibits sexual dimorphism, with males typically displaying more vibrant coloration and larger dorsal fins compared to females. The overall coloration is an earthy brown to grey, adorned with a distinct vertical black eye stripe and a prominent black spot located mid-body, which serves as a form of disruptive coloration. The fins are notably highlighted with red borders, enhancing their visual appeal. Defensive adaptations include a well-developed lateral line system for detecting vibrations in the water, and the presence of spiny rays in the dorsal fin, which can deter potential predators.
Behavior & temperament
Bolivian Rams are generally peaceful and social fish, often found in small groups or pairs, although they can exhibit territorial behavior, particularly during breeding. They primarily inhabit the lower to mid-water column, favoring densely planted areas in their natural habitats. Their breeding behavior is characterized as an egg scatterer, where they lay adhesive eggs on flat surfaces, often in hidden locations to protect them from potential threats. These fish display a moderate level of aggression, particularly during the breeding season, but are generally compatible with other non-aggressive species in a community tank setting.
Diet & feeding
In the wild, Bolivian Rams are omnivorous, feeding on a varied diet that includes small invertebrates, plant matter, and detritus. In captivity, they thrive on a balanced diet consisting of high-quality flake food, frozen or live foods such as brine shrimp and daphnia, along with vegetable matter to ensure optimal health.
Behind the name
Mikrogeophagus (small earth dweller); altispinosus (high spines).
Plan your tank
Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.
Keeping Bolivian Ram?
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