Paraguay Eartheater
Satanoperca pappaterra
Paraguay Eartheater (Satanoperca pappaterra) — Varies care, Peaceful, under Other. Minimum tank in the app: 37 US gal min; aim for 70–77°F and pH 6.5–7.5. The Paraguay Eartheater is well-suited for intermediate aquarists seeking a unique mid-swimming addition to a larger tank setup.

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.
Paraguay Eartheater Tank Setup
Aim for a minimum of 140 liters to provide ample swimming space, incorporating a mix of open areas and hiding spots using rocks and plants. A sandy substrate is ideal for their foraging behavior, while gentle water flow will suit their mid-swimming habits. Lighting should be moderate to create a comfortable atmosphere without overwhelming the fish.
What Do Paraguay Eartheaters Eat?
As omnivores, they require a varied diet, and competition during feeding can arise if tank mates are fast eaters. Offer high-quality pellets, frozen foods, and vegetable matter to ensure balanced nutrition.
Paraguay Eartheater Tank Mates
Compatible with similarly sized, semi-aggressive species that occupy different swimming zones to minimize territorial disputes. Ideal tank mates include larger tetras or cichlids that can handle a bit of assertiveness. Avoid pairing with overly aggressive species or those that might compete for the same niche, as this can lead to stress and conflict.
Are Paraguay Eartheaters Good for Beginners?
Care demand varies with setup and individual fish; use the numbers above as your baseline. Aquarists often underestimate the importance of tank size and structure, leading to stress and aggression. Failing to provide adequate hiding spots or introducing overly aggressive tank mates can exacerbate territorial behavior.
Building a community? Run the full list through the stocking calculator before you add anything else.
Log tests and reminders in App-aquatic—free, same data you see here.




