Can Jurupari Eartheater and Long-Finned African Tetra Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Possible with Caution

Keeping Jurupari Eartheater and Long-Finned African Tetra together is possible but requires caution due to potential behavioral clashes. Provide a spacious tank of at least 326 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Jurupari Eartheater

Satanoperca jurupari

Long-Finned African Tetra

Brycinus longipinnis

🐠Family Group
Jurupari Eartheater
Cichlids - South American
Long-Finned African Tetra
Characins
Temperament
Jurupari Eartheater
Mostly Peaceful (3/10)
Long-Finned African Tetra
Peaceful (2/10)
Temperature
✓ Compatible
Jurupari Eartheater
26–30°C
Long-Finned African Tetra
22–26°C
pH Range
✓ Compatible
Jurupari Eartheater
5.5–7.5
Long-Finned African Tetra
6–8
Hardness (dGH)
✓ Compatible
Jurupari Eartheater
1–10
Long-Finned African Tetra
5–19
Water Type
✓ Compatible
Jurupari Eartheater
Freshwater Only
Long-Finned African Tetra
Freshwater Only
Flow Preference
✓ Compatible
Jurupari Eartheater
Moderate
Long-Finned African Tetra
High
Min Tank Volume
Combined: 326 L
Jurupari Eartheater
280 L
Long-Finned African Tetra
200 L
Swimming Level
✓ Different zones
Jurupari Eartheater
Bottom
Long-Finned African Tetra
TopMiddle
🏷️Behavior Tags
Jurupari Eartheater
Digger (Disturbs Substrate)Plant DestroyerShy / Slow Moving (Easily Stressed)
Long-Finned African Tetra
Hyperactive / Fast SwimmerJumper (Lid Required)Fry PredatorAggressive Eater (Starves shy fish)
Stocking calculator

Can your tank handle Jurupari Eartheater and Long-Finned African Tetra?

Compatibility is only part of the answer. Test both fish with your real tank size, current stock, and maintenance needs to see if you have enough space and a safe stocking level before you add them.

Jurupari Eartheater
Long-Finned African Tetra
Test both in my tank

Behaviour & Temperament

Jurupari Eartheater is a generally mild-mannered species (3/10), while Long-Finned African Tetra is peaceful (2/10). This modest difference means Jurupari Eartheater may occasionally assert dominance over Long-Finned African Tetra.

In terms of spatial distribution, Jurupari Eartheater prefers the Bottom (Substrate) zone, whereas Long-Finned African Tetra occupies the Top (Surface) and Middle (Open Water) zones. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.

Additional behavioural considerations to keep in mind: Hyperactive swimmers can stress shy, slow-moving species through constant motion. Aggressive eaters may outcompete shy fish for food, leading to malnutrition.

Worth noting: Long-Finned African Tetra is a known jumper, so a tight-fitting lid is essential.

To improve the chances of a peaceful coexistence in this community tank: A larger aquarium with ample hiding spots can help diffuse aggression and give the less dominant fish space to retreat.

Water Parameters

The safe temperature window for both species falls between 26°C and 26°C. Aim for the midpoint of this range (around 26.0°C) for optimal comfort.

Both fish can tolerate a pH between 6 and 7.5. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 5–10 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Jurupari Eartheater and Long-Finned African Tetra together, plan for an aquarium of at least 326 litres with a minimum length of 120 cm. This recommendation combines the stricter species minimums with a community-load allowance so the pairing has realistic long-term space and filtration headroom.

Because this pairing requires extra vigilance, include plenty of hiding spots — caves, driftwood, and dense plant clusters — so the less dominant fish can retreat when needed.

Specific environmental needs for this combination include: Sand (Sifters), Driftwood (Digestion/Hiding), Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.

Both species do well with moderate (standard) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Needs Extra Planning in Practice

This pairing usually fails when the tank is treated like a standard mixed community and the caution flags are ignored. Jurupari Eartheater and Long-Finned African Tetra need extra room, more cover, and closer observation during the first few weeks so small aggression, feeding, or territory issues do not snowball into a long-term problem.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Jurupari Eartheater and Long-Finned African Tetra.

Diet & Feeding

Feeding time deserves special attention with this pairing. Long-Finned African Tetra is an aggressive eater that may prevent Jurupari Eartheater from getting enough food.

Because Long-Finned African Tetra is a fast, competitive feeder, consider using sinking pellets or feeding at opposite ends of the setup to ensure Jurupari Eartheater receives an adequate share.

Frequently Asked Questions

Can Jurupari Eartheater and Long-Finned African Tetra live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 326 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Jurupari Eartheater and Long-Finned African Tetra need?

A minimum of 326 litres (tank length at least 120 cm) is recommended. This provides enough space for both species to establish their own areas and reduces the likelihood of territorial disputes.

What water temperature is best for Jurupari Eartheater and Long-Finned African Tetra together?

Keep the aquarium between 26°C and 26°C. A target of around 26.0°C sits comfortably within both species' preferred ranges.

Are Jurupari Eartheater or Long-Finned African Tetra aggressive?

Jurupari Eartheater is generally mild-mannered (3/10) and Long-Finned African Tetra is peaceful (2/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Jurupari Eartheater and Long-Finned African Tetra need?

Both species overlap in the 6–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 6, 2026
Last updated
May 6, 2026
Issues or corrections?
Contact the editorial team

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