Can Nerite Snail and Reedfish (Ropefish) Live Together?

Reviewed by Guidarium Editorial DeskUpdated April 28, 2026
Possible with Caution

Keeping Nerite Snail and Reedfish (Ropefish) together is possible but requires caution, though some care is needed. Provide a spacious tank of at least 180 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Nerite Snail

Neritina natalensis

Reedfish (Ropefish)

Erpetoichthys calabaricus

🐠Family Group
Nerite Snail
Invertebrates
Reedfish (Ropefish)
Oddballs
Temperament
Nerite Snail
Peaceful (0/10)
Reedfish (Ropefish)
Mostly Peaceful (3/10)
Temperature
✓ Compatible
Nerite Snail
22–28°C
Reedfish (Ropefish)
22–28°C
pH Range
✓ Compatible
Nerite Snail
7–8.5
Reedfish (Ropefish)
6–7.5
Hardness (dGH)
✓ Compatible
Nerite Snail
8–20
Reedfish (Ropefish)
5–20
Water Type
✓ Compatible
Nerite Snail
Brackish Tolerant
Reedfish (Ropefish)
Freshwater Only
Flow Preference
✓ Compatible
Nerite Snail
Moderate
Reedfish (Ropefish)
Low
Min Tank Volume
Combined: 180 L
Nerite Snail
19 L
Reedfish (Ropefish)
180 L
Swimming Level
Shared: 2 zones
Nerite Snail
BottomMiddleTop
Reedfish (Ropefish)
BottomMiddle
🏷️Behavior Tags
Nerite Snail
Jumper (Lid Required)Hyperactive / Fast Swimmer
Reedfish (Ropefish)
Piscivore (Eats small/nano fish)Shrimp EaterJumper (Lid Required)NocturnalHyperactive / Fast SwimmerSlime Coat Eater (Attacks Flat Fish)
Stocking calculator

Can your tank handle Nerite Snail and Reedfish (Ropefish)?

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.

Nerite Snail
Reedfish (Ropefish)
Test both in my tank

Behaviour & Temperament

Nerite Snail is a peaceful species (0/10), while Reedfish (Ropefish) is generally mild-mannered (3/10). This modest difference means Reedfish (Ropefish) may occasionally assert dominance over Nerite Snail.

Nerite Snail and Reedfish (Ropefish) 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.

Worth noting: Reedfish (Ropefish) is nocturnal and will be most active after lights-out, naturally reducing daytime encounters. Also, Nerite Snail 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 8–20 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Nerite Snail and Reedfish (Ropefish) together, plan for an aquarium of at least 180 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.

Because this pairing requires extra vigilance, include plenty of hiding spots — caves, driftwood, and dense plant clusters — so the less dominant fish can retreat when needed.

Specific environmental needs for this combination include: Established Algae (Otocinclus), Shells (Breeding/Hiding), Sand (Sifters), Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/Hiding), Plants - Densely covered. 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 Needs Extra Planning in Practice

This pairing usually fails when the tank is treated like a standard mixed community and the caution flags are ignored. Nerite Snail and Reedfish (Ropefish) need extra room, more cover, and closer observation during the first few weeks so small aggression, feeding, or territory issues do not snowball into a long-term problem.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Nerite Snail and Reedfish (Ropefish).

Show 5 more tank sizes

Frequently Asked Questions

Can Nerite Snail and Reedfish (Ropefish) live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 180 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Nerite Snail and Reedfish (Ropefish) need?

A minimum of 180 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 Nerite Snail and Reedfish (Ropefish) 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 Nerite Snail or Reedfish (Ropefish) aggressive?

Nerite Snail is peaceful (0/10) and Reedfish (Ropefish) is generally mild-mannered (3/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Nerite Snail and Reedfish (Ropefish) 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.

Does Reedfish (Ropefish) being nocturnal affect compatibility?

Reedfish (Ropefish) is most active after lights-out, which naturally reduces daytime encounters with its tank mate. This can actually be beneficial, as both fish get undisturbed time to feed and explore. Just ensure food reaches Reedfish (Ropefish) during evening hours.

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
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