Can Asher Cory and Red Zebra Cichlid (Cherry Red) Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 3, 2026
Not Recommended

Asher Cory and Red Zebra Cichlid (Cherry Red) 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

Asher Cory

Corydoras tukano

Red Zebra Cichlid (Cherry Red)

Metriaclima estherae

🐠Family Group
Asher Cory
Catfish
Red Zebra Cichlid (Cherry Red)
Cichlids - African
Temperament
Asher Cory
Peaceful (1/10)
Red Zebra Cichlid (Cherry Red)
Aggressive (8/10)
Temperature
✓ Compatible
Asher Cory
22–28°C
Red Zebra Cichlid (Cherry Red)
24–28°C
pH Range
✗ No overlap
Asher Cory
5–7.5
Red Zebra Cichlid (Cherry Red)
7.8–8.6
Hardness (dGH)
✓ Compatible
Asher Cory
2–15
Red Zebra Cichlid (Cherry Red)
10–25
Water Type
✓ Compatible
Asher Cory
Freshwater Only
Red Zebra Cichlid (Cherry Red)
Freshwater Only
Flow Preference
✓ Compatible
Asher Cory
Moderate
Red Zebra Cichlid (Cherry Red)
Moderate
Min Tank Volume
Combined: 263 L
Asher Cory
60 L
Red Zebra Cichlid (Cherry Red)
208 L
Swimming Level
Shared: 1 zone
Asher Cory
Bottom
Red Zebra Cichlid (Cherry Red)
MiddleBottom
🏷️Behavior Tags
Asher Cory
Hyperactive / Fast Swimmer
Red Zebra Cichlid (Cherry Red)
Generally AggressiveAggressive to same species/look-alikesTerritorial (Defends specific area)Plant DestroyerDigger (Disturbs Substrate)
Stocking calculator

Can your tank handle Asher Cory and Red Zebra Cichlid (Cherry Red)?

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.

Asher Cory
Red Zebra Cichlid (Cherry Red)
Test both in my tank

Behaviour & Temperament

Asher Cory is a peaceful species (1/10), while Red Zebra Cichlid (Cherry Red) is semi-aggressive (8/10). This notable difference means Red Zebra Cichlid (Cherry Red) may occasionally assert dominance over Asher Cory.

Large aggression gap (7 points) between Asher Cory and Red Zebra Cichlid (Cherry Red) increases stress risk for the more peaceful fish.

Asher Cory and Red Zebra Cichlid (Cherry Red) both frequent the Bottom (Substrate) 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 Asher Cory (5–7.5) and Red Zebra Cichlid (Cherry Red) (7.8–8.6) do not overlap, making it impossible to satisfy both species simultaneously.

For general hardness, the shared comfort zone is 10–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Asher Cory and Red Zebra Cichlid (Cherry Red) together, plan for an aquarium of at least 263 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: Sand (Sifters), Leaf Litter/Blackwater, Established Algae (Otocinclus). 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

Asher Cory and Red Zebra Cichlid (Cherry Red) 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 Asher Cory and Red Zebra Cichlid (Cherry Red).

Show 1 more tank size

Frequently Asked Questions

Can Asher Cory and Red Zebra Cichlid (Cherry Red) live together?

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

What size tank do Asher Cory and Red Zebra Cichlid (Cherry Red) need?

A minimum of 263 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 Asher Cory and Red Zebra Cichlid (Cherry Red) 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 Asher Cory or Red Zebra Cichlid (Cherry Red) aggressive?

Asher Cory is peaceful (1/10) and Red Zebra Cichlid (Cherry Red) is semi-aggressive (8/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Asher Cory and Red Zebra Cichlid (Cherry Red) need?

Their pH requirements do not overlap. Asher Cory prefers 5–7.5, while Red Zebra Cichlid (Cherry Red) needs 7.8–8.6. This makes them incompatible in the same water chemistry.

How do I manage Red Zebra Cichlid (Cherry Red)'s territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Red Zebra Cichlid (Cherry Red) 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 3, 2026
Last updated
May 3, 2026
Issues or corrections?
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