Can Red Zebra Cichlid (Cherry Red) and Silver Dollar Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 3, 2026
Not Recommended

Red Zebra Cichlid (Cherry Red) and Silver Dollar 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

Red Zebra Cichlid (Cherry Red)

Metriaclima estherae

Silver Dollar

Metynnis argenteus

🐠Family Group
Red Zebra Cichlid (Cherry Red)
Cichlids - African
Silver Dollar
Characins
Temperament
Red Zebra Cichlid (Cherry Red)
Aggressive (8/10)
Silver Dollar
Peaceful (2/10)
Temperature
✓ Compatible
Red Zebra Cichlid (Cherry Red)
24–28°C
Silver Dollar
24–28°C
pH Range
✗ No overlap
Red Zebra Cichlid (Cherry Red)
7.8–8.6
Silver Dollar
5.5–7.5
Hardness (dGH)
✓ Compatible
Red Zebra Cichlid (Cherry Red)
10–25
Silver Dollar
4–15
Water Type
✓ Compatible
Red Zebra Cichlid (Cherry Red)
Freshwater Only
Silver Dollar
Freshwater Only
Flow Preference
✓ Compatible
Red Zebra Cichlid (Cherry Red)
Moderate
Silver Dollar
Moderate
Min Tank Volume
Combined: 384 L
Red Zebra Cichlid (Cherry Red)
208 L
Silver Dollar
280 L
Swimming Level
Shared: 1 zone
Red Zebra Cichlid (Cherry Red)
MiddleBottom
Silver Dollar
MiddleTop
🏷️Behavior Tags
Red Zebra Cichlid (Cherry Red)
Generally AggressiveAggressive to same species/look-alikesTerritorial (Defends specific area)Plant DestroyerDigger (Disturbs Substrate)
Silver Dollar
Plant DestroyerHyperactive / Fast SwimmerShy / Slow Moving (Easily Stressed)Jumper (Lid Required)
Stocking calculator

Can your tank handle Red Zebra Cichlid (Cherry Red) and Silver Dollar?

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.

Red Zebra Cichlid (Cherry Red)
Silver Dollar
Test both in my tank

Behaviour & Temperament

Red Zebra Cichlid (Cherry Red) is a semi-aggressive species (8/10), while Silver Dollar is peaceful (2/10). This notable difference means Red Zebra Cichlid (Cherry Red) may occasionally assert dominance over Silver Dollar.

Large aggression gap (6 points) between Red Zebra Cichlid (Cherry Red) and Silver Dollar increases stress risk for the more peaceful fish.

Red Zebra Cichlid (Cherry Red) and Silver Dollar 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.

Additional behavioural considerations to keep in mind: Aggressive fish may bully and stress shy, slow-moving species.

Worth noting: Silver Dollar 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.

The pH requirements of Red Zebra Cichlid (Cherry Red) (7.8–8.6) and Silver Dollar (5.5–7.5) 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 Red Zebra Cichlid (Cherry Red) and Silver Dollar together, plan for an aquarium of at least 384 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), Established Algae (Otocinclus), 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 Usually Fails in Practice

Red Zebra Cichlid (Cherry Red) and Silver Dollar 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 Red Zebra Cichlid (Cherry Red) and Silver Dollar.

Frequently Asked Questions

Can Red Zebra Cichlid (Cherry Red) and Silver Dollar live together?

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

What size tank do Red Zebra Cichlid (Cherry Red) and Silver Dollar need?

A minimum of 384 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 Red Zebra Cichlid (Cherry Red) and Silver Dollar 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 Red Zebra Cichlid (Cherry Red) or Silver Dollar aggressive?

Red Zebra Cichlid (Cherry Red) is semi-aggressive (8/10) and Silver Dollar is peaceful (2/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Red Zebra Cichlid (Cherry Red) and Silver Dollar need?

Their pH requirements do not overlap. Red Zebra Cichlid (Cherry Red) prefers 7.8–8.6, while Silver Dollar needs 5.5–7.5. 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?
Contact the editorial team

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