Can Beckford's Pencilfish and Ramshorn Snail Live Together?

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

Yes, Beckford's Pencilfish and Ramshorn Snail 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 60 litres is recommended.


At a Glance

Beckford's Pencilfish

Nannostomus beckfordi

Ramshorn Snail

Planorbidae fam.

🐠Family Group
Beckford's Pencilfish
Characins
Ramshorn Snail
Invertebrates
Temperament
Beckford's Pencilfish
Peaceful (2/10)
Ramshorn Snail
Peaceful (0/10)
Temperature
✓ Compatible
Beckford's Pencilfish
22–28°C
Ramshorn Snail
15–30°C
pH Range
✓ Compatible
Beckford's Pencilfish
5–7.5
Ramshorn Snail
7–8.5
Hardness (dGH)
✓ Compatible
Beckford's Pencilfish
1–15
Ramshorn Snail
8–20
Water Type
✓ Compatible
Beckford's Pencilfish
Freshwater Only
Ramshorn Snail
Freshwater Only
Flow Preference
✓ Compatible
Beckford's Pencilfish
Low
Ramshorn Snail
Low
Min Tank Volume
Combined: 60 L
Beckford's Pencilfish
60 L
Ramshorn Snail
5 L
Swimming Level
Shared: 2 zones
Beckford's Pencilfish
TopMiddle
Ramshorn Snail
BottomMiddleTop
🏷️Behavior Tags
Beckford's Pencilfish
Nano / Bite-sized (Predation Risk)Hyperactive / Fast SwimmerJumper (Lid Required)Shy / Slow Moving (Easily Stressed)
Ramshorn Snail
Nano / Bite-sized (Predation Risk)
Stocking calculator

Can your tank handle Beckford's Pencilfish and Ramshorn Snail?

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.

Beckford's Pencilfish
Ramshorn Snail
Test both in my tank

Behaviour & Temperament

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

Beckford's Pencilfish and Ramshorn Snail both frequent the Top (Surface) 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.

Worth noting: Beckford's Pencilfish is a known jumper, so a tight-fitting lid is essential.

Water Parameters

The safe temperature window for both species falls between 22°C and 28°C. Aim for the midpoint of this range (around 25.0°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 Beckford's Pencilfish and Ramshorn Snail together, plan for an aquarium of at least 60 litres with a minimum length of 60 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, Plants - Floating, Leaf Litter/Blackwater, Established Algae (Otocinclus). 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

Beckford's Pencilfish and Ramshorn Snail 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 Beckford's Pencilfish and Ramshorn Snail.

Show 19 more tank sizes

Frequently Asked Questions

Can Beckford's Pencilfish and Ramshorn Snail live together?

Yes. Beckford's Pencilfish and Ramshorn Snail are considered ideal tank mates. Their water parameters, temperaments, and behaviour profiles are well matched for a community aquarium.

What size tank do Beckford's Pencilfish and Ramshorn Snail need?

A minimum of 60 litres (tank length at least 60 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 Beckford's Pencilfish and Ramshorn Snail together?

Keep the aquarium between 22°C and 28°C. A target of around 25.0°C sits comfortably within both species' preferred ranges.

Are Beckford's Pencilfish or Ramshorn Snail aggressive?

Beckford's Pencilfish is peaceful (2/10) and Ramshorn Snail is peaceful (0/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Beckford's Pencilfish and Ramshorn Snail 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?
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