Can Lake Mbuta Rainbowfish and Red Striped Eartheater Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Ideal Tank Mates

Yes, Lake Mbuta Rainbowfish and Red Striped Eartheater are ideal tank mates. Both species share compatible water parameters and peaceful temperaments, making them well-suited for a community aquarium. A minimum tank size of 270 litres is recommended.


At a Glance

Lake Mbuta Rainbowfish

Pelangia mbutaensis

Red Striped Eartheater

Geophagus surinamensis

🐠Family Group
Lake Mbuta Rainbowfish
Rainbowfish
Red Striped Eartheater
Cichlids - South American
Temperament
Lake Mbuta Rainbowfish
Peaceful (2/10)
Red Striped Eartheater
Mostly Peaceful (4/10)
Temperature
✓ Compatible
Lake Mbuta Rainbowfish
24–28°C
Red Striped Eartheater
24–28°C
pH Range
✓ Compatible
Lake Mbuta Rainbowfish
6–7.5
Red Striped Eartheater
6–7.5
Hardness (dGH)
✓ Compatible
Lake Mbuta Rainbowfish
4–12
Red Striped Eartheater
2–10
Water Type
✓ Compatible
Lake Mbuta Rainbowfish
Freshwater Only
Red Striped Eartheater
Freshwater Only
Flow Preference
✓ Compatible
Lake Mbuta Rainbowfish
Moderate
Red Striped Eartheater
Moderate
Min Tank Volume
Combined: 270 L
Lake Mbuta Rainbowfish
75 L
Red Striped Eartheater
250 L
Swimming Level
Shared: 1 zone
Lake Mbuta Rainbowfish
TopMiddle
Red Striped Eartheater
BottomMiddle
🏷️Behavior Tags
Lake Mbuta Rainbowfish
Hyperactive / Fast SwimmerJumper (Lid Required)
Red Striped Eartheater
Digger (Disturbs Substrate)Fry PredatorHyperactive / Fast SwimmerAggressive to same species/look-alikes
Stocking calculator

Can your tank handle Lake Mbuta Rainbowfish and Red Striped Eartheater?

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.

Lake Mbuta Rainbowfish
Red Striped Eartheater
Test both in my tank

Behaviour & Temperament

Lake Mbuta Rainbowfish is a peaceful species (2/10), while Red Striped Eartheater is generally mild-mannered (4/10). This modest difference means Red Striped Eartheater may occasionally assert dominance over Lake Mbuta Rainbowfish.

Lake Mbuta Rainbowfish and Red Striped Eartheater both frequent the Middle (Open Water) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.

Worth noting: Lake Mbuta Rainbowfish is a known jumper, so a tight-fitting lid is essential.

Water Parameters

The safe temperature window for both species falls between 24°C and 28°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 4–10 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Lake Mbuta Rainbowfish and Red Striped Eartheater together, plan for an aquarium of at least 270 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.

Providing a mix of open swimming space and sheltered areas with rocks, driftwood, or plants will keep both species comfortable and allow natural behaviour.

Specific environmental needs for this combination include: Plants - Densely covered, Driftwood (Digestion/Hiding), Sand (Sifters), Leaf Litter/Blackwater. 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 Works in Practice

Lake Mbuta Rainbowfish and Red Striped Eartheater work best when the tank gives each fish enough room to use its preferred level of the aquarium and enough cover to avoid constant visual contact. The score matters, but the real-world success usually comes from matching their pace, keeping water stable, and resisting the urge to crowd the tank just because the pair looks safe on paper.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Lake Mbuta Rainbowfish and Red Striped Eartheater.

Show 1 more tank size

Frequently Asked Questions

Can Lake Mbuta Rainbowfish and Red Striped Eartheater live together?

Yes. Lake Mbuta Rainbowfish and Red Striped Eartheater are considered ideal tank mates. Their water parameters, temperaments, and behaviour profiles are well matched for a community aquarium.

What size tank do Lake Mbuta Rainbowfish and Red Striped Eartheater need?

A minimum of 270 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 Lake Mbuta Rainbowfish and Red Striped Eartheater together?

Keep the aquarium between 24°C and 28°C. A target of around 26.0°C sits comfortably within both species' preferred ranges.

Are Lake Mbuta Rainbowfish or Red Striped Eartheater aggressive?

Lake Mbuta Rainbowfish is peaceful (2/10) and Red Striped Eartheater is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Lake Mbuta Rainbowfish and Red Striped Eartheater 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 11, 2026
Last updated
May 11, 2026
Issues or corrections?
Contact the editorial team

Related Comparisons

Lake Mbuta Rainbowfish & Ajamaru Rainbowfish

·

Possible with Caution
Lake Mbuta Rainbowfish: PeacefulAjamaru Rainbowfish: Peaceful

Lake Mbuta Rainbowfish & Allen's Rainbowfish

·

Ideal Tank Mates
Lake Mbuta Rainbowfish: PeacefulAllen's Rainbowfish: Peaceful

Lake Mbuta Rainbowfish & Angfa Rainbowfish

·

Ideal Tank Mates
Lake Mbuta Rainbowfish: PeacefulAngfa Rainbowfish: Peaceful

Lake Mbuta Rainbowfish & Axelrod's Rainbowfish

·

Ideal Tank Mates
Lake Mbuta Rainbowfish: PeacefulAxelrod's Rainbowfish: Peaceful

Lake Mbuta Rainbowfish & Barred Rainbowfish

·

Ideal Tank Mates
Lake Mbuta Rainbowfish: PeacefulBarred Rainbowfish: Peaceful

Lake Mbuta Rainbowfish & Batanta Rainbowfish

·

Ideal Tank Mates
Lake Mbuta Rainbowfish: PeacefulBatanta Rainbowfish: Peaceful

Red Striped Eartheater & Aequidens Jenaro Herrera

·

Possible with Caution
Red Striped Eartheater: PeacefulAequidens Jenaro Herrera: Peaceful

Red Striped Eartheater & Altifrons Eartheater

·

Ideal Tank Mates
Red Striped Eartheater: PeacefulAltifrons Eartheater: Peaceful

Red Striped Eartheater & Bahia Red

·

Possible with Caution
Red Striped Eartheater: PeacefulBahia Red: Peaceful

Red Striped Eartheater & Banded Cichlid

·

Ideal Tank Mates
Red Striped Eartheater: PeacefulBanded Cichlid: Peaceful

Red Striped Eartheater & Barlow's Dwarf Cichlid (Apistogramma Maulbrüter)

·

Possible with Caution
Red Striped Eartheater: PeacefulBarlow's Dwarf Cichlid (Apistogramma Maulbrüter): Peaceful

Red Striped Eartheater & Blue Acara

·

Possible with Caution
Red Striped Eartheater: PeacefulBlue Acara: Peaceful