Can Ramshorn Snail and Silver Dollar Live Together?

Reviewed by Guidarium Editorial DeskUpdated April 28, 2026
Ideal Tank Mates

Yes, Ramshorn Snail and Silver Dollar 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 280 litres is recommended.


At a Glance

Ramshorn Snail

Planorbidae fam.

Silver Dollar

Metynnis argenteus

🐠Family Group
Ramshorn Snail
Invertebrates
Silver Dollar
Characins
Temperament
Ramshorn Snail
Peaceful (0/10)
Silver Dollar
Peaceful (2/10)
Temperature
✓ Compatible
Ramshorn Snail
15–30°C
Silver Dollar
24–28°C
pH Range
✓ Compatible
Ramshorn Snail
7–8.5
Silver Dollar
5.5–7.5
Hardness (dGH)
✓ Compatible
Ramshorn Snail
8–20
Silver Dollar
4–15
Water Type
✓ Compatible
Ramshorn Snail
Freshwater Only
Silver Dollar
Freshwater Only
Flow Preference
✓ Compatible
Ramshorn Snail
Low
Silver Dollar
Moderate
Min Tank Volume
Combined: 280 L
Ramshorn Snail
5 L
Silver Dollar
280 L
Swimming Level
Shared: 2 zones
Ramshorn Snail
BottomMiddleTop
Silver Dollar
MiddleTop
🏷️Behavior Tags
Ramshorn Snail
Nano / Bite-sized (Predation Risk)
Silver Dollar
Plant DestroyerHyperactive / Fast SwimmerShy / Slow Moving (Easily Stressed)Jumper (Lid Required)
Stocking calculator

Can your tank handle Ramshorn Snail 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.

Ramshorn Snail
Silver Dollar
Test both in my tank

Behaviour & Temperament

Ramshorn Snail is a peaceful species (0/10), while Silver Dollar is peaceful (2/10). This modest difference means Silver Dollar may occasionally assert dominance over Ramshorn Snail.

Ramshorn Snail and Silver Dollar both frequent the Middle (Open Water) and Top (Surface) 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: 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.

Both fish can tolerate a pH between 7 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 8–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Ramshorn Snail and Silver Dollar together, plan for an aquarium of at least 280 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: Established Algae (Otocinclus), Driftwood (Digestion/Hiding), Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.

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

Why This Pairing Works in Practice

Ramshorn Snail and Silver Dollar 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 Ramshorn Snail and Silver Dollar.

Show 1 more tank size

Frequently Asked Questions

Can Ramshorn Snail and Silver Dollar live together?

Yes. Ramshorn Snail and Silver Dollar are considered ideal tank mates. Their water parameters, temperaments, and behaviour profiles are well matched for a community aquarium.

What size tank do Ramshorn Snail and Silver Dollar need?

A minimum of 280 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 Ramshorn Snail 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 Ramshorn Snail or Silver Dollar aggressive?

Ramshorn Snail is peaceful (0/10) and Silver Dollar is peaceful (2/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Ramshorn Snail and Silver Dollar need?

Both species overlap in the 7–7.5 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
April 28, 2026
Last updated
April 28, 2026
Issues or corrections?
Contact the editorial team

Related Comparisons