Can Black Fin Cory and Ramshorn Snail Live Together?

Ideal Tank Mates

Yes, Black Fin Cory 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 75 litres is recommended.


At a Glance

Black Fin Cory

Corydoras leucomelas

Ramshorn Snail

Planorbidae fam.

🐠Family Group
Black Fin Cory
Catfish
Ramshorn Snail
Invertebrates
Temperament
Black Fin Cory
Peaceful (1/10)
Ramshorn Snail
Peaceful (0/10)
Temperature
✓ Compatible
Black Fin Cory
22–26°C
Ramshorn Snail
15–30°C
pH Range
✓ Compatible
Black Fin Cory
6–7.5
Ramshorn Snail
7–8.5
Hardness (dGH)
✓ Compatible
Black Fin Cory
2–15
Ramshorn Snail
8–20
Water Type
✓ Compatible
Black Fin Cory
Freshwater Only
Ramshorn Snail
Freshwater Only
Flow Preference
✓ Compatible
Black Fin Cory
Low
Ramshorn Snail
Low
Min Tank Volume
Combined: 75 L
Black Fin Cory
75 L
Ramshorn Snail
5 L
Swimming Level
Shared: 1 zone
Black Fin Cory
Bottom
Ramshorn Snail
BottomMiddleTop
🏷️Behavior Tags
Black Fin Cory
Hyperactive / Fast SwimmerShy / Slow Moving (Easily Stressed)
Ramshorn Snail
Nano / Bite-sized (Predation Risk)
Stocking calculator

Can your tank handle Black Fin Cory 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.

Black Fin Cory
Ramshorn Snail
Test both in my tank

Behaviour & Temperament

Black Fin Cory is a peaceful species (1/10), while Ramshorn Snail is peaceful (0/10). This modest difference means Black Fin Cory may occasionally assert dominance over Ramshorn Snail.

Black Fin Cory and Ramshorn Snail 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 22°C and 26°C. Aim for the midpoint of this range (around 24.0°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 Black Fin Cory and Ramshorn Snail together, plan for an aquarium of at least 75 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: Sand (Sifters), Smooth Gravel (Sensitive Barbels), 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.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Black Fin Cory and Ramshorn Snail.

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Frequently Asked Questions

Can Black Fin Cory and Ramshorn Snail live together?

Yes. Black Fin Cory 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 Black Fin Cory and Ramshorn Snail need?

A minimum of 75 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 Black Fin Cory and Ramshorn Snail together?

Keep the aquarium between 22°C and 26°C. A target of around 24.0°C sits comfortably within both species' preferred ranges.

Are Black Fin Cory or Ramshorn Snail aggressive?

Black Fin Cory is peaceful (1/10) and Ramshorn Snail is peaceful (0/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Black Fin Cory 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.


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