Can Fosso Cichlid (Fossorochromis rostratus) and Red Striped Eartheater Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Not Recommended

Fosso Cichlid (Fossorochromis rostratus) and Red Striped Eartheater are not recommended as tank mates due to conflicting pH requirements. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Fosso Cichlid (Fossorochromis rostratus)

Fossorochromis rostratus

Red Striped Eartheater

Geophagus surinamensis

🐠Family Group
Fosso Cichlid (Fossorochromis rostratus)
Cichlids - African
Red Striped Eartheater
Cichlids - South American
Temperament
Fosso Cichlid (Fossorochromis rostratus)
Semi-Aggressive (6/10)
Red Striped Eartheater
Mostly Peaceful (4/10)
Temperature
✓ Compatible
Fosso Cichlid (Fossorochromis rostratus)
24–28°C
Red Striped Eartheater
24–28°C
pH Range
✗ No overlap
Fosso Cichlid (Fossorochromis rostratus)
7.8–8.6
Red Striped Eartheater
6–7.5
Hardness (dGH)
✓ Compatible
Fosso Cichlid (Fossorochromis rostratus)
10–25
Red Striped Eartheater
2–10
Water Type
✓ Compatible
Fosso Cichlid (Fossorochromis rostratus)
Freshwater Only
Red Striped Eartheater
Freshwater Only
Flow Preference
✓ Compatible
Fosso Cichlid (Fossorochromis rostratus)
Moderate
Red Striped Eartheater
Moderate
Min Tank Volume
Combined: 680 L
Fosso Cichlid (Fossorochromis rostratus)
680 L
Red Striped Eartheater
250 L
Swimming Level
Shared: 2 zones
Fosso Cichlid (Fossorochromis rostratus)
BottomMiddle
Red Striped Eartheater
BottomMiddle
🏷️Behavior Tags
Fosso Cichlid (Fossorochromis rostratus)
Digger (Disturbs Substrate)Territorial (Defends specific area)Hyperactive / Fast SwimmerPiscivore (Eats small/nano fish)
Red Striped Eartheater
Digger (Disturbs Substrate)Fry PredatorHyperactive / Fast SwimmerAggressive to same species/look-alikes
Stocking calculator

Can your tank handle Fosso Cichlid (Fossorochromis rostratus) 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.

Fosso Cichlid (Fossorochromis rostratus)
Red Striped Eartheater
Test both in my tank

Behaviour & Temperament

Fosso Cichlid (Fossorochromis rostratus) is a moderately assertive species (6/10), while Red Striped Eartheater is generally mild-mannered (4/10). This modest difference means Fosso Cichlid (Fossorochromis rostratus) may occasionally assert dominance over Red Striped Eartheater.

Fosso Cichlid (Fossorochromis rostratus) and Red Striped Eartheater both frequent the Bottom (Substrate) and 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.

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.

The pH requirements of Fosso Cichlid (Fossorochromis rostratus) (7.8–8.6) and Red Striped Eartheater (6–7.5) do not overlap, making it impossible to satisfy both species simultaneously.

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

Tank Setup

To house Fosso Cichlid (Fossorochromis rostratus) and Red Striped Eartheater together, plan for an aquarium of at least 680 litres with a minimum length of 180 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: 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 Usually Fails in Practice

Fosso Cichlid (Fossorochromis rostratus) and Red Striped Eartheater are the kind of pair that can look acceptable in a shop but become a maintenance problem at home. The main risk is not a single number in the chart; it is the way incompatible behavior, water needs, or pressure on space compounds over time once both fish are established in the same tank.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Fosso Cichlid (Fossorochromis rostratus) and Red Striped Eartheater.

Frequently Asked Questions

Can Fosso Cichlid (Fossorochromis rostratus) and Red Striped Eartheater live together?

No. This combination is not recommended. Key incompatibilities — such as critical behavioural conflicts — make cohabitation unsafe.

What size tank do Fosso Cichlid (Fossorochromis rostratus) and Red Striped Eartheater need?

A minimum of 680 litres (tank length at least 180 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 Fosso Cichlid (Fossorochromis rostratus) 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 Fosso Cichlid (Fossorochromis rostratus) or Red Striped Eartheater aggressive?

Fosso Cichlid (Fossorochromis rostratus) is moderately assertive (6/10) and Red Striped Eartheater is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Fosso Cichlid (Fossorochromis rostratus) and Red Striped Eartheater need?

Their pH requirements do not overlap. Fosso Cichlid (Fossorochromis rostratus) prefers 7.8–8.6, while Red Striped Eartheater needs 6–7.5. This makes them incompatible in the same water chemistry.

How do I manage Fosso Cichlid (Fossorochromis rostratus)'s territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Fosso Cichlid (Fossorochromis rostratus) space to claim a territory without encroaching on the other fish's area. Adding décor that divides the tank into distinct zones works especially well.

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

Fosso Cichlid (Fossorochromis rostratus) & Afra Cichlid

·

Possible with Caution
Fosso Cichlid (Fossorochromis rostratus): PeacefulAfra Cichlid: Peaceful

Fosso Cichlid (Fossorochromis rostratus) & African Jewel Cichlid

·

Not Recommended
Fosso Cichlid (Fossorochromis rostratus): PeacefulAfrican Jewel Cichlid: Peaceful

Fosso Cichlid (Fossorochromis rostratus) & Altolamprologus Calvus

·

Possible with Caution
Fosso Cichlid (Fossorochromis rostratus): PeacefulAltolamprologus Calvus: Peaceful

Fosso Cichlid (Fossorochromis rostratus) & Altolamprologus Compressiceps

·

Possible with Caution
Fosso Cichlid (Fossorochromis rostratus): PeacefulAltolamprologus Compressiceps: Peaceful

Fosso Cichlid (Fossorochromis rostratus) & Aurora Yellow Mbuna

·

Possible with Caution
Fosso Cichlid (Fossorochromis rostratus): PeacefulAurora Yellow Mbuna: Peaceful

Fosso Cichlid (Fossorochromis rostratus) & Black Diamond Cichlid

·

Possible with Caution
Fosso Cichlid (Fossorochromis rostratus): PeacefulBlack Diamond Cichlid: 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