Can Molly (Sailfin/Black/Dalmatian) and Panda Corydoras Live Together?

🔴Not Recommended

Molly (Sailfin/Black/Dalmatian) and Panda Corydoras 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

Molly (Sailfin/Black/Dalmatian)

Poecilia sphenops

Panda Corydoras

Corydoras panda

🐠Family Group
Molly (Sailfin/Black/Dalmatian)
Livebearers
Panda Corydoras
Catfish
Temperament
Molly (Sailfin/Black/Dalmatian)
Mostly Peaceful (3/10)
Panda Corydoras
Peaceful (0/10)
Temperature
✓ Compatible
Molly (Sailfin/Black/Dalmatian)
24–28°C
Panda Corydoras
20–25°C
pH Range
✗ No overlap
Molly (Sailfin/Black/Dalmatian)
7.5–8.5
Panda Corydoras
6–7.4
Hardness (dGH)
✓ Compatible
Molly (Sailfin/Black/Dalmatian)
12–30
Panda Corydoras
2–12
Water Type
✓ Compatible
Molly (Sailfin/Black/Dalmatian)
Brackish Tolerant
Panda Corydoras
Freshwater Only
Flow Preference
✓ Compatible
Molly (Sailfin/Black/Dalmatian)
Moderate
Panda Corydoras
Moderate
Min Tank Volume
Combined: 90 L
Molly (Sailfin/Black/Dalmatian)
75 L
Panda Corydoras
54 L
Swimming Level
✓ Different zones
Molly (Sailfin/Black/Dalmatian)
TopMiddle
Panda Corydoras
Bottom
🏷️Behavior Tags
Molly (Sailfin/Black/Dalmatian)
Hyperactive / Fast SwimmerFry PredatorAggressive Eater (Starves shy fish)
Panda Corydoras
Hyperactive / Fast Swimmer

Behaviour & Temperament

Molly (Sailfin/Black/Dalmatian) is a generally mild-mannered species (3/10), while Panda Corydoras is peaceful (0/10). This modest difference means Molly (Sailfin/Black/Dalmatian) may occasionally assert dominance over Panda Corydoras.

In terms of spatial distribution, Molly (Sailfin/Black/Dalmatian) prefers the Top (Surface) and Middle (Open Water) zones, whereas Panda Corydoras occupies the Bottom (Substrate) zone. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.

Water Parameters

The safe temperature window for both species falls between 24°C and 25°C. Aim for the midpoint of this range (around 24.5°C) for optimal comfort.

The pH requirements of Molly (Sailfin/Black/Dalmatian) (7.5–8.5) and Panda Corydoras (6–7.4) do not overlap, making it impossible to satisfy both species simultaneously.

For general hardness, the shared comfort zone is 12–12 dGH. Regular testing will ensure conditions stay within this range. An aquarium test kit is recommended for monitoring.

Tank Setup

To house Molly (Sailfin/Black/Dalmatian) and Panda Corydoras together, plan for an aquarium of at least 90 litres with a minimum length of 60 cm. This accounts for the larger species' space requirements with an additional 20 % buffer to reduce territorial tension.

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, Established Algae (Otocinclus), Sand (Sifters). 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.

Find the right tank equipment

Browse tanks, décor, and equipment suited for this setup.

Frequently Asked Questions

Can Molly (Sailfin/Black/Dalmatian) and Panda Corydoras live together?

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

What size tank do Molly (Sailfin/Black/Dalmatian) and Panda Corydoras need?

A minimum of 90 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 Molly (Sailfin/Black/Dalmatian) and Panda Corydoras together?

Keep the aquarium between 24°C and 25°C. A target of around 24.5°C sits comfortably within both species' preferred ranges.

Are Molly (Sailfin/Black/Dalmatian) or Panda Corydoras aggressive?

Molly (Sailfin/Black/Dalmatian) is generally mild-mannered (3/10) and Panda Corydoras is peaceful (0/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Molly (Sailfin/Black/Dalmatian) and Panda Corydoras need?

Their pH requirements do not overlap. Molly (Sailfin/Black/Dalmatian) prefers 7.5–8.5, while Panda Corydoras needs 6–7.4. This makes them incompatible in the same water chemistry.


Related Comparisons

Molly (Sailfin/Black/Dalmatian) & Platy

·

🟢Ideal Tank Mates
Molly (Sailfin/Black/Dalmatian): PeacefulPlaty: Peaceful

Molly (Sailfin/Black/Dalmatian) & Swordtail

·

🟢Ideal Tank Mates
Molly (Sailfin/Black/Dalmatian): PeacefulSwordtail: Peaceful

Molly (Sailfin/Black/Dalmatian) & Endler's Livebearer

·

🟢Ideal Tank Mates
Molly (Sailfin/Black/Dalmatian): PeacefulEndler's Livebearer: Peaceful

Molly (Sailfin/Black/Dalmatian) & Guppy

·

🟢Ideal Tank Mates
Molly (Sailfin/Black/Dalmatian): PeacefulGuppy: Peaceful

Molly (Sailfin/Black/Dalmatian) & Least Killifish (Heterandria)

·

🟡Possible with Caution
Molly (Sailfin/Black/Dalmatian): PeacefulLeast Killifish (Heterandria): Peaceful

Molly (Sailfin/Black/Dalmatian) & Wrestling Halfbeak

·

🟢Ideal Tank Mates
Molly (Sailfin/Black/Dalmatian): PeacefulWrestling Halfbeak: Peaceful

Panda Corydoras & Bristlenose Pleco

·

🟢Ideal Tank Mates
Panda Corydoras: PeacefulBristlenose Pleco: Peaceful

Panda Corydoras & Bronze Corydoras

·

🟢Ideal Tank Mates
Panda Corydoras: PeacefulBronze Corydoras: Peaceful

Panda Corydoras & Julii Corydoras (False Julii)

·

🟢Ideal Tank Mates
Panda Corydoras: PeacefulJulii Corydoras (False Julii): Peaceful

Panda Corydoras & Otocinclus

·

🟡Possible with Caution
Panda Corydoras: PeacefulOtocinclus: Peaceful

Panda Corydoras & Peppered Corydoras

·

🟢Ideal Tank Mates
Panda Corydoras: PeacefulPeppered Corydoras: Peaceful

Panda Corydoras & Pygmy Corydoras

·

🟡Possible with Caution
Panda Corydoras: PeacefulPygmy Corydoras: Peaceful