Can Cupid Cichlid and Hi Fin Peppered Cory Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Not Recommended

Cupid Cichlid and Hi Fin Peppered Cory are not recommended as tank mates due to no temperature overlap. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Cupid Cichlid

Biotodoma cupido

Hi Fin Peppered Cory

Scleromystax macropterus

🐠Family Group
Cupid Cichlid
Cichlids - South American
Hi Fin Peppered Cory
Catfish
Temperament
Cupid Cichlid
Mostly Peaceful (3/10)
Hi Fin Peppered Cory
Peaceful (2/10)
Temperature
✗ No overlap
Cupid Cichlid
24–29°C
Hi Fin Peppered Cory
16–23°C
pH Range
✓ Compatible
Cupid Cichlid
5–7
Hi Fin Peppered Cory
6–7.5
Hardness (dGH)
✓ Compatible
Cupid Cichlid
1–8
Hi Fin Peppered Cory
2–15
Water Type
✓ Compatible
Cupid Cichlid
Freshwater Only
Hi Fin Peppered Cory
Freshwater Only
Flow Preference
✓ Compatible
Cupid Cichlid
Low
Hi Fin Peppered Cory
Moderate
Min Tank Volume
Combined: 250 L
Cupid Cichlid
250 L
Hi Fin Peppered Cory
100 L
Swimming Level
Shared: 1 zone
Cupid Cichlid
MiddleBottom
Hi Fin Peppered Cory
Bottom
🏷️Behavior Tags
Cupid Cichlid
Digger (Disturbs Substrate)Shy / Slow Moving (Easily Stressed)
Hi Fin Peppered Cory
Hyperactive / Fast SwimmerNocturnal
Stocking calculator

Can your tank handle Cupid Cichlid and Hi Fin Peppered Cory?

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.

Cupid Cichlid
Hi Fin Peppered Cory
Test both in my tank

Behaviour & Temperament

Cupid Cichlid is a generally mild-mannered species (3/10), while Hi Fin Peppered Cory is peaceful (2/10). This modest difference means Cupid Cichlid may occasionally assert dominance over Hi Fin Peppered Cory.

Cupid Cichlid and Hi Fin Peppered Cory 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.

Additional behavioural considerations to keep in mind: Hyperactive swimmers can stress shy, slow-moving species through constant motion.

Worth noting: Hi Fin Peppered Cory is nocturnal and will be most active after lights-out, naturally reducing daytime encounters.

Water Parameters

There is no temperature overlap between Cupid Cichlid (24–29°C) and Hi Fin Peppered Cory (16–23°C). This fundamental mismatch makes long-term cohabitation impractical.

Both fish can tolerate a pH between 6 and 7. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 2–8 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Cupid Cichlid and Hi Fin Peppered Cory together, plan for an aquarium of at least 250 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: Sand (Sifters), Driftwood (Digestion/Hiding), Leaf Litter/Blackwater, 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 Usually Fails in Practice

Cupid Cichlid and Hi Fin Peppered Cory are the kind of pair that can look acceptable in a shop but become a maintenance problem at home. The main risk is not a single number in the chart; it is the way incompatible behavior, water needs, or pressure on space compounds over time once both fish are established in the same tank.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Cupid Cichlid and Hi Fin Peppered Cory.

Show 1 more tank size

Frequently Asked Questions

Can Cupid Cichlid and Hi Fin Peppered Cory live together?

No. This combination is not recommended. Key incompatibilities — such as non-overlapping temperature ranges — make cohabitation unsafe.

What size tank do Cupid Cichlid and Hi Fin Peppered Cory need?

A minimum of 250 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 Cupid Cichlid and Hi Fin Peppered Cory together?

Unfortunately, there is no temperature range that satisfies both species. Cupid Cichlid requires 24–29°C, while Hi Fin Peppered Cory needs 16–23°C.

Are Cupid Cichlid or Hi Fin Peppered Cory aggressive?

Cupid Cichlid is generally mild-mannered (3/10) and Hi Fin Peppered Cory is peaceful (2/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Cupid Cichlid and Hi Fin Peppered Cory need?

Both species overlap in the 6–7 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Does Hi Fin Peppered Cory being nocturnal affect compatibility?

Hi Fin Peppered Cory 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 Hi Fin Peppered Cory during evening hours.

Editorial Review

Guidarium Editorial Desk

Reviewed against Guidarium care, stocking, and compatibility standards. Read the editorial policy.

Last reviewed
May 6, 2026
Last updated
May 6, 2026
Issues or corrections?
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