Can Cupid Cichlid and Gangetic Leaf Fish Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 6, 2026
Possible with Caution

Keeping Cupid Cichlid and Gangetic Leaf Fish together is possible but requires caution due to differing aggression levels. Provide a spacious tank of at least 250 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Cupid Cichlid

Biotodoma cupido

Gangetic Leaf Fish

Nandus nandus

🐠Family Group
Cupid Cichlid
Cichlids - South American
Gangetic Leaf Fish
Oddballs
Temperament
Cupid Cichlid
Mostly Peaceful (3/10)
Gangetic Leaf Fish
Aggressive (7/10)
Temperature
✓ Compatible
Cupid Cichlid
24–29°C
Gangetic Leaf Fish
22–28°C
pH Range
✓ Compatible
Cupid Cichlid
5–7
Gangetic Leaf Fish
6.5–8
Hardness (dGH)
✓ Compatible
Cupid Cichlid
1–8
Gangetic Leaf Fish
6–15
Water Type
✓ Compatible
Cupid Cichlid
Freshwater Only
Gangetic Leaf Fish
Brackish Tolerant
Flow Preference
✓ Compatible
Cupid Cichlid
Low
Gangetic Leaf Fish
Low
Min Tank Volume
Combined: 250 L
Cupid Cichlid
250 L
Gangetic Leaf Fish
150 L
Swimming Level
Shared: 2 zones
Cupid Cichlid
MiddleBottom
Gangetic Leaf Fish
MiddleBottom
🏷️Behavior Tags
Cupid Cichlid
Digger (Disturbs Substrate)Shy / Slow Moving (Easily Stressed)
Gangetic Leaf Fish
Piscivore (Eats small/nano fish)Shrimp EaterShy / Slow Moving (Easily Stressed)Nocturnal
Stocking calculator

Can your tank handle Cupid Cichlid and Gangetic Leaf Fish?

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
Gangetic Leaf Fish
Test both in my tank

Behaviour & Temperament

Cupid Cichlid is a generally mild-mannered species (3/10), while Gangetic Leaf Fish is semi-aggressive (7/10). This notable difference means Gangetic Leaf Fish may occasionally assert dominance over Cupid Cichlid.

Cupid Cichlid and Gangetic Leaf Fish both frequent the Middle (Open Water) and 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.

Worth noting: Gangetic Leaf Fish is nocturnal and will be most active after lights-out, naturally reducing daytime encounters.

To improve the chances of a peaceful coexistence in this community tank: A larger aquarium with ample hiding spots can help diffuse aggression and give the less dominant fish space to retreat.

Water Parameters

The safe temperature window for both species falls between 24°C and 28°C. Aim for the midpoint of this range (around 26.0°C) for optimal comfort.

Both fish can tolerate a pH between 6.5 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 6–8 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Cupid Cichlid and Gangetic Leaf Fish 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.

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: Sand (Sifters), Driftwood (Digestion/Hiding), Leaf Litter/Blackwater, Plants - Densely covered, Plants - Floating. 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 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. Cupid Cichlid and Gangetic Leaf Fish 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 Cupid Cichlid and Gangetic Leaf Fish.

Show 1 more tank size

Frequently Asked Questions

Can Cupid Cichlid and Gangetic Leaf Fish live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 250 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Cupid Cichlid and Gangetic Leaf Fish 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 Gangetic Leaf Fish together?

Keep the aquarium between 24°C and 28°C. A target of around 26.0°C sits comfortably within both species' preferred ranges.

Are Cupid Cichlid or Gangetic Leaf Fish aggressive?

Cupid Cichlid is generally mild-mannered (3/10) and Gangetic Leaf Fish is semi-aggressive (7/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Cupid Cichlid and Gangetic Leaf Fish need?

Both species overlap in the 6.5–7 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Does Gangetic Leaf Fish being nocturnal affect compatibility?

Gangetic Leaf Fish 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 Gangetic Leaf Fish 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?
Contact the editorial team

Related Comparisons

Cupid Cichlid & Apistogramma borellii (Umbrella Cichlid)

·

Ideal Tank Mates
Cupid Cichlid: PeacefulApistogramma borellii (Umbrella Cichlid): Peaceful

Cupid Cichlid & Apistogramma Broad-banded

·

Possible with Caution
Cupid Cichlid: PeacefulApistogramma Broad-banded: Peaceful

Cupid Cichlid & Apistogramma Mamoré

·

Ideal Tank Mates
Cupid Cichlid: PeacefulApistogramma Mamoré: Peaceful

Cupid Cichlid & Apistogramma Orange-tail

·

Possible with Caution
Cupid Cichlid: PeacefulApistogramma Orange-tail: Peaceful

Cupid Cichlid & Apistogramma Resticulosa Mamor

·

Ideal Tank Mates
Cupid Cichlid: PeacefulApistogramma Resticulosa Mamor: Peaceful

Cupid Cichlid & Bolivian Ram

·

Ideal Tank Mates
Cupid Cichlid: PeacefulBolivian Ram: Peaceful

Gangetic Leaf Fish & African Knifefish

·

Possible with Caution
Gangetic Leaf Fish: PeacefulAfrican Knifefish: Peaceful

Gangetic Leaf Fish & Longnose Gar

·

Possible with Caution
Gangetic Leaf Fish: PeacefulLongnose Gar: Peaceful

Gangetic Leaf Fish & New Guinea Tigerfish

·

Possible with Caution
Gangetic Leaf Fish: PeacefulNew Guinea Tigerfish: Peaceful

Gangetic Leaf Fish & Orangespotted Snakehead

·

Possible with Caution
Gangetic Leaf Fish: PeacefulOrangespotted Snakehead: Peaceful

Gangetic Leaf Fish & Rainbow Snakehead

·

Possible with Caution
Gangetic Leaf Fish: PeacefulRainbow Snakehead: Peaceful

Gangetic Leaf Fish & Silver Datnoid (Silver Tigerfish)

·

Possible with Caution
Gangetic Leaf Fish: PeacefulSilver Datnoid (Silver Tigerfish): Peaceful