Blue Ram

Mikrogeophagus ramirezi

Blue Ram (Mikrogeophagus ramirezi) — Varies care, Peaceful, under Other. Minimum tank in the app: 18.5 US gal min; aim for 81–86°F and pH 6.5–7.5. The Blue Ram is ideal for those looking to add vibrant character to a mid-tank environment, making it a captivating choice for aquarists who appreciate intricate behaviors.

Blue Ram (Mikrogeophagus ramirezi) in a planted freshwater aquarium
Care levelVaries
TemperamentPeaceful
Min tank size18.5 US gal min
pH range6.5–7.5
Temperature81–86°F
Max size2.4 in (6.0 cm)
Captive lifespan5–10 years
SchoolingNo

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.

Natural distribution

South America

  • South America

Regional colours match the stocking calculator’s origin map.

Blue Ram Tank Setup

Create a balanced habitat that includes plenty of caves, plants, and gentle filtration to mimic their natural mid-water environment. A soft substrate is preferred for spawning, while subdued lighting can encourage natural behaviors and reduce stress. Ensure that there are both open swimming areas and places to retreat to when needed.

What Do Blue Rams Eat?

Blue Rams are generally omnivorous and can be competitive feeders. Offering a varied diet of high-quality flakes, pellets, and live foods can enhance their color and health.

Blue Ram Tank Mates

Pairs well with similarly-sized, non-aggressive fish like small tetras or rasboras, as their calm demeanor keeps aggression levels manageable. Larger or overly active species might provoke stress or territoriality. Intraspecies interactions are typically peaceful unless breeding; providing multiple hiding spots can help mitigate conflicts among males.

Are Blue Rams Good for Beginners?

Care demand varies with setup and individual fish; use the numbers above as your baseline. New aquarists may overlook the need for stable water conditions, leading to stress and disease in Blue Rams. failing to provide adequate hiding spots can cause unnecessary aggression and territorial disputes.

Guides that pair with this fish

Browse species guides · Water parameters cheat sheet

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