Can Checkerboard Cichlid and Flyspeck Hardyhead Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 3, 2026
Possible with Caution

Keeping Checkerboard Cichlid and Flyspeck Hardyhead together is possible but requires caution due to potential behavioral clashes. Provide a spacious tank of at least 75 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Checkerboard Cichlid

Dicrossus filamentosus

Flyspeck Hardyhead

Craterocephalus stercusmuscarum

🐠Family Group
Checkerboard Cichlid
Cichlids - South American
Flyspeck Hardyhead
Other
Temperament
Checkerboard Cichlid
Mostly Peaceful (3/10)
Flyspeck Hardyhead
Peaceful (1/10)
Temperature
✓ Compatible
Checkerboard Cichlid
24–30°C
Flyspeck Hardyhead
22–28°C
pH Range
✓ Compatible
Checkerboard Cichlid
4.5–6.5
Flyspeck Hardyhead
6–8
Hardness (dGH)
✓ Compatible
Checkerboard Cichlid
1–5
Flyspeck Hardyhead
5–15
Water Type
✓ Compatible
Checkerboard Cichlid
Freshwater Only
Flyspeck Hardyhead
Freshwater Only
Flow Preference
✓ Compatible
Checkerboard Cichlid
Low
Flyspeck Hardyhead
Moderate
Min Tank Volume
Combined: 75 L
Checkerboard Cichlid
60 L
Flyspeck Hardyhead
75 L
Swimming Level
Shared: 1 zone
Checkerboard Cichlid
BottomMiddle
Flyspeck Hardyhead
TopMiddle
🏷️Behavior Tags
Checkerboard Cichlid
Shy / Slow Moving (Easily Stressed)Fry Predator
Flyspeck Hardyhead
Hyperactive / Fast SwimmerJumper (Lid Required)
Stocking calculator

Can your tank handle Checkerboard Cichlid and Flyspeck Hardyhead?

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.

Checkerboard Cichlid
Flyspeck Hardyhead
Test both in my tank

Behaviour & Temperament

Checkerboard Cichlid is a generally mild-mannered species (3/10), while Flyspeck Hardyhead is peaceful (1/10). This modest difference means Checkerboard Cichlid may occasionally assert dominance over Flyspeck Hardyhead.

Checkerboard Cichlid and Flyspeck Hardyhead both frequent the Middle (Open Water) 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: Flyspeck Hardyhead is a known jumper, so a tight-fitting lid is essential.

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 and 6.5. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 5–5 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Checkerboard Cichlid and Flyspeck Hardyhead 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.

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), Leaf Litter/Blackwater, Driftwood (Digestion/Hiding), Plants - Densely covered, 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.

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. Checkerboard Cichlid and Flyspeck Hardyhead 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 Checkerboard Cichlid and Flyspeck Hardyhead.

Show 17 more tank sizes

Frequently Asked Questions

Can Checkerboard Cichlid and Flyspeck Hardyhead live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 75 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Checkerboard Cichlid and Flyspeck Hardyhead 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 Checkerboard Cichlid and Flyspeck Hardyhead 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 Checkerboard Cichlid or Flyspeck Hardyhead aggressive?

Checkerboard Cichlid is generally mild-mannered (3/10) and Flyspeck Hardyhead is peaceful (1/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Checkerboard Cichlid and Flyspeck Hardyhead need?

Both species overlap in the 6–6.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 3, 2026
Last updated
May 3, 2026
Issues or corrections?
Contact the editorial team

Related Comparisons

Checkerboard Cichlid & Apistogramma borellii (Umbrella Cichlid)

·

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

Checkerboard Cichlid & Apistogramma Broad-banded

·

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

Checkerboard Cichlid & Apistogramma Mamoré

·

Ideal Tank Mates
Checkerboard Cichlid: PeacefulApistogramma Mamoré: Peaceful

Checkerboard Cichlid & Apistogramma Orange-tail

·

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

Checkerboard Cichlid & Apistogramma Resticulosa Mamor

·

Ideal Tank Mates
Checkerboard Cichlid: PeacefulApistogramma Resticulosa Mamor: Peaceful

Checkerboard Cichlid & Bolivian Ram

·

Ideal Tank Mates
Checkerboard Cichlid: PeacefulBolivian Ram: Peaceful

Flyspeck Hardyhead & Amazon Leaf Fish

·

Possible with Caution
Flyspeck Hardyhead: PeacefulAmazon Leaf Fish: Peaceful

Flyspeck Hardyhead & Australian Smelt

·

Possible with Caution
Flyspeck Hardyhead: PeacefulAustralian Smelt: Peaceful

Flyspeck Hardyhead & African Dwarf Frog

·

Possible with Caution
Flyspeck Hardyhead: PeacefulAfrican Dwarf Frog: Peaceful

Flyspeck Hardyhead & Largemouth Bass

·

Possible with Caution
Flyspeck Hardyhead: PeacefulLargemouth Bass: Peaceful

Flyspeck Hardyhead & Scarlet Badis

·

Possible with Caution
Flyspeck Hardyhead: PeacefulScarlet Badis: Peaceful

Flyspeck Hardyhead & Tiger Muskie

·

Possible with Caution
Flyspeck Hardyhead: PeacefulTiger Muskie: Peaceful