Can Candy Striped Pleco (L015) and Keyhole Cichlid Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Ideal Tank Mates

Yes, Candy Striped Pleco (L015) and Keyhole Cichlid 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 110 litres is recommended.


At a Glance

Candy Striped Pleco (L015)

Peckoltia vittata

Keyhole Cichlid

Cleithracara maronii

🐠Family Group
Candy Striped Pleco (L015)
Catfish
Keyhole Cichlid
Cichlids - South American
Temperament
Candy Striped Pleco (L015)
Mostly Peaceful (4/10)
Keyhole Cichlid
Peaceful (2/10)
Temperature
✓ Compatible
Candy Striped Pleco (L015)
24–28°C
Keyhole Cichlid
22–28°C
pH Range
✓ Compatible
Candy Striped Pleco (L015)
6–7.5
Keyhole Cichlid
6–7.5
Hardness (dGH)
✓ Compatible
Candy Striped Pleco (L015)
3–15
Keyhole Cichlid
2–15
Water Type
✓ Compatible
Candy Striped Pleco (L015)
Freshwater Only
Keyhole Cichlid
Freshwater Only
Flow Preference
✓ Compatible
Candy Striped Pleco (L015)
Moderate
Keyhole Cichlid
Low
Min Tank Volume
Combined: 110 L
Candy Striped Pleco (L015)
100 L
Keyhole Cichlid
110 L
Swimming Level
Shared: 1 zone
Candy Striped Pleco (L015)
Bottom
Keyhole Cichlid
MiddleBottom
🏷️Behavior Tags
Candy Striped Pleco (L015)
Shy / Slow Moving (Easily Stressed)Territorial (Defends specific area)Nocturnal
Keyhole Cichlid
Shy / Slow Moving (Easily Stressed)Fry Predator
Stocking calculator

Can your tank handle Candy Striped Pleco (L015) and Keyhole Cichlid?

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.

Candy Striped Pleco (L015)
Keyhole Cichlid
Test both in my tank

Behaviour & Temperament

Candy Striped Pleco (L015) is a generally mild-mannered species (4/10), while Keyhole Cichlid is peaceful (2/10). This modest difference means Candy Striped Pleco (L015) may occasionally assert dominance over Keyhole Cichlid.

Candy Striped Pleco (L015) and Keyhole Cichlid 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.

Worth noting: Candy Striped Pleco (L015) is nocturnal and will be most active after lights-out, naturally reducing daytime encounters.

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 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 3–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Candy Striped Pleco (L015) and Keyhole Cichlid together, plan for an aquarium of at least 110 litres with a minimum length of 80 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: Driftwood (Digestion/Hiding), Smooth Gravel (Sensitive Barbels), Plants - Densely covered, Leaf Litter/Blackwater. 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 Works in Practice

Candy Striped Pleco (L015) and Keyhole Cichlid work best when the tank gives each fish enough room to use its preferred level of the aquarium and enough cover to avoid constant visual contact. The score matters, but the real-world success usually comes from matching their pace, keeping water stable, and resisting the urge to crowd the tank just because the pair looks safe on paper.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Candy Striped Pleco (L015) and Keyhole Cichlid.

Show 12 more tank sizes

Frequently Asked Questions

Can Candy Striped Pleco (L015) and Keyhole Cichlid live together?

Yes. Candy Striped Pleco (L015) and Keyhole Cichlid are considered ideal tank mates. Their water parameters, temperaments, and behaviour profiles are well matched for a community aquarium.

What size tank do Candy Striped Pleco (L015) and Keyhole Cichlid need?

A minimum of 110 litres (tank length at least 80 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 Candy Striped Pleco (L015) and Keyhole Cichlid 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 Candy Striped Pleco (L015) or Keyhole Cichlid aggressive?

Candy Striped Pleco (L015) is generally mild-mannered (4/10) and Keyhole Cichlid is peaceful (2/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Candy Striped Pleco (L015) and Keyhole Cichlid need?

Both species overlap in the 6–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

How do I manage Candy Striped Pleco (L015)'s territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Candy Striped Pleco (L015) space to claim a territory without encroaching on the other fish's area. Adding décor that divides the tank into distinct zones works especially well.

Does Candy Striped Pleco (L015) being nocturnal affect compatibility?

Candy Striped Pleco (L015) 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 Candy Striped Pleco (L015) during evening hours.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 11, 2026
Last updated
May 11, 2026
Issues or corrections?
Contact the editorial team

Related Comparisons

Candy Striped Pleco (L015) & Achara Catfish

·

Possible with Caution
Candy Striped Pleco (L015): PeacefulAchara Catfish: Peaceful

Candy Striped Pleco (L015) & Alligator Pleco

·

Ideal Tank Mates
Candy Striped Pleco (L015): PeacefulAlligator Pleco: Peaceful

Candy Striped Pleco (L015) & Bristlenose Pleco

·

Ideal Tank Mates
Candy Striped Pleco (L015): PeacefulBristlenose Pleco: Peaceful

Candy Striped Pleco (L015) & Brown Bullhead Catfish

·

Possible with Caution
Candy Striped Pleco (L015): PeacefulBrown Bullhead Catfish: Peaceful

Candy Striped Pleco (L015) & Bullseye Catfish

·

Possible with Caution
Candy Striped Pleco (L015): PeacefulBullseye Catfish: Peaceful

Candy Striped Pleco (L015) & Bumblebee Catfish (South American)

·

Ideal Tank Mates
Candy Striped Pleco (L015): PeacefulBumblebee Catfish (South American): Peaceful

Keyhole Cichlid & Apistogramma borellii (Umbrella Cichlid)

·

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

Keyhole Cichlid & Apistogramma Mamoré

·

Ideal Tank Mates
Keyhole Cichlid: PeacefulApistogramma Mamoré: Peaceful

Keyhole Cichlid & Apistogramma Resticulosa Mamor

·

Ideal Tank Mates
Keyhole Cichlid: PeacefulApistogramma Resticulosa Mamor: Peaceful

Keyhole Cichlid & Bolivian Ram

·

Ideal Tank Mates
Keyhole Cichlid: PeacefulBolivian Ram: Peaceful

Keyhole Cichlid & Checkerboard Cichlid

·

Ideal Tank Mates
Keyhole Cichlid: PeacefulCheckerboard Cichlid: Peaceful

Keyhole Cichlid & Cupid Cichlid

·

Ideal Tank Mates
Keyhole Cichlid: PeacefulCupid Cichlid: Peaceful