Can African Pike and Peacock Bass Monoculus Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 7, 2026
Possible with Caution

Keeping African Pike and Peacock Bass Monoculus together is possible but requires caution, though some care is needed. Provide a spacious tank of at least 1000 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

African Pike

Hepsetus odoe

Peacock Bass Monoculus

Cichla monoculus

🐠Family Group
African Pike
Characins
Peacock Bass Monoculus
Cichlids - South American
Temperament
African Pike
Aggressive (7/10)
Peacock Bass Monoculus
Aggressive (8/10)
Temperature
✓ Compatible
African Pike
24–28°C
Peacock Bass Monoculus
24–29°C
pH Range
✓ Compatible
African Pike
6–7.5
Peacock Bass Monoculus
5.5–7.5
Hardness (dGH)
✓ Compatible
African Pike
4–15
Peacock Bass Monoculus
2–15
Water Type
✓ Compatible
African Pike
Freshwater Only
Peacock Bass Monoculus
Freshwater Only
Flow Preference
✓ Compatible
African Pike
Moderate
Peacock Bass Monoculus
Moderate
Min Tank Volume
Combined: 1000 L
African Pike
680 L
Peacock Bass Monoculus
1000 L
Swimming Level
Shared: 2 zones
African Pike
TopMiddle
Peacock Bass Monoculus
TopMiddle
🏷️Behavior Tags
African Pike
Piscivore (Eats small/nano fish)Jumper (Lid Required)Hyperactive / Fast Swimmer
Peacock Bass Monoculus
Piscivore (Eats small/nano fish)Hyperactive / Fast SwimmerJumper (Lid Required)Generally AggressiveTerritorial (Defends specific area)
Stocking calculator

Can your tank handle African Pike and Peacock Bass Monoculus?

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.

African Pike
Peacock Bass Monoculus
Test both in my tank

Behaviour & Temperament

African Pike is a semi-aggressive species (7/10), while Peacock Bass Monoculus is semi-aggressive (8/10). This modest difference means Peacock Bass Monoculus may occasionally assert dominance over African Pike.

Both African Pike and Peacock Bass Monoculus are highly aggressive, increasing the risk of violent confrontations.

African Pike and Peacock Bass Monoculus both frequent the Top (Surface) and 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.

Worth noting: African Pike is a known jumper, so a tight-fitting lid is essential.

To improve the chances of a peaceful coexistence in this community tank: Provide a significantly larger tank (at least 50% more volume than the minimum) to allow both African Pike and Peacock Bass Monoculus to establish separate territories. Add plenty of line-of-sight breaks using driftwood, rocks, and dense planting to reduce territorial confrontations.

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 4–15 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house African Pike and Peacock Bass Monoculus together, plan for an aquarium of at least 1000 litres with a minimum length of 240 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: Plants - Floating, Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/Hiding), 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.

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. African Pike and Peacock Bass Monoculus 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.

Frequently Asked Questions

Can African Pike and Peacock Bass Monoculus live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 1000 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do African Pike and Peacock Bass Monoculus need?

A minimum of 1000 litres (tank length at least 240 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 African Pike and Peacock Bass Monoculus 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 African Pike or Peacock Bass Monoculus aggressive?

African Pike is semi-aggressive (7/10) and Peacock Bass Monoculus is semi-aggressive (8/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do African Pike and Peacock Bass Monoculus 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 Peacock Bass Monoculus's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Peacock Bass Monoculus 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.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
May 7, 2026
Last updated
May 7, 2026
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