Demon Eartheater
Satanoperca jurupari
Demon Eartheater is a peaceful bottom-to-middle swimmer. Keep in a loose group of 5+.
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Explore compatibility, care or problems using this guide and your aquarium’s conditions.
Quick facts
- Adult size
- ≤ 10.2" (≤ 26 cm)
- Aquarium size
- 200 US gal (756 L) or larger / ≥ 82.7" (≥ 210 cm) minimum length
- Care level
- Intermediate
- Temperament
- Peaceful
- Swimming zone
- Bottom to middle swimmer
- Temperature
- 68–82°F (20–28°C)
- pH
- 5.5–7.5
- GH
- 2–12 dGH
- Diet
- Omnivore
- Lifespan
- up to 10 years
- Group behavior
- Keep in a loose group of 5+
Care requirements
Care level: Intermediate.
Lifespan: up to 10 years.
Aquarium size and space needs
Minimum aquarium size: 200 US gal (756 L) or larger / ≥ 82.7" (≥ 210 cm) minimum length. Plan the layout and stocking within that limit.
Water parameters
Suitable water: temperature 20–28 °C, pH 5.5–7.5, GH 2–12 dGH.
Temperament and compatibility
Demon Eartheater is peaceful and suits calm community fish.
Swimming zone and behavior
This fish uses the lower to middle part of the aquarium, so leave enough open substrate area for movement and feeding.
Feeding
As an omnivore, Demon Eartheater should receive a varied diet rather than one repeated food type.
Provide fine-grade sinking foods and small live/frozen invertebrates, including plant-containing foods; offer several small meals so substrate-sifting fish receive sufficient food.
Before adding this fish
- Plan for an aquarium of 200 US gal (756 L) or larger / ≥ 82.7" (≥ 210 cm) minimum length.
- Avoid aggressive or highly competitive fish.
- Keep in a loose group of 5+.
- Offer a varied diet suited to this species’ documented feeding habits.
Natural habitat and origin
Origin: Colombia, Ecuador, Peru, Brazil.
Important notes
- Large, group-living sand-sifter: coarse substrate can injure gills or cause obstruction; demands a biologically mature large aquarium and high water quality. S. leucosticta and geographically divergent forms are often misidentified.
Similar fish profiles
Use these profiles to compare fish with similar care level, size, temperature range, or swimming behavior.
FAQ
How large does Demon Eartheater get?
Demon Eartheater reaches ≤ 10.2" (≤ 26 cm). Allow for adult swimming space, filtration, and compatible companions.
What aquarium size does Demon Eartheater need?
Use an aquarium of at least 200 US gal (756 L) or larger / ≥ 82.7" (≥ 210 cm) minimum length.
Is Demon Eartheater peaceful?
Yes. Demon Eartheater is recorded as peaceful and is best planned with calm community fish that do not harass it or dominate the feeding area.
What temperature is suitable for Demon Eartheater?
Keep it between 20 to 28 °C.
Should Demon Eartheater be kept alone or in a group?
Demon Eartheater: Keep in a loose group of 5+.
