Can Bumblebee Goby (Brackish) and Peacock Bass Ocellaris Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 7, 2026
Not Recommended

Bumblebee Goby (Brackish) and Peacock Bass Ocellaris are not recommended as tank mates due to incompatible water types and piscivorous fish will prey on nano-sized tank mates.. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Bumblebee Goby (Brackish)

Brachygobius xanthozonus

Peacock Bass Ocellaris

Cichla ocellaris

🐠Family Group
Bumblebee Goby (Brackish)
Gobies & Gudgeons
Peacock Bass Ocellaris
Cichlids - South American
Temperament
Bumblebee Goby (Brackish)
Mostly Peaceful (4/10)
Peacock Bass Ocellaris
Aggressive (7/10)
Temperature
✓ Compatible
Bumblebee Goby (Brackish)
24–28°C
Peacock Bass Ocellaris
25–29°C
pH Range
✓ Compatible
Bumblebee Goby (Brackish)
7–8.5
Peacock Bass Ocellaris
6.5–7.5
Hardness (dGH)
✓ Compatible
Bumblebee Goby (Brackish)
10–25
Peacock Bass Ocellaris
5–15
Water Type
✗ No overlap
Bumblebee Goby (Brackish)
Brackish Required
Peacock Bass Ocellaris
Freshwater Only
Flow Preference
✓ Compatible
Bumblebee Goby (Brackish)
Low
Peacock Bass Ocellaris
Moderate
Min Tank Volume
Combined: 1500 L
Bumblebee Goby (Brackish)
38 L
Peacock Bass Ocellaris
1500 L
Swimming Level
✓ Different zones
Bumblebee Goby (Brackish)
Bottom
Peacock Bass Ocellaris
MiddleTop
🏷️Behavior Tags
Bumblebee Goby (Brackish)
Nano / Bite-sized (Predation Risk)Territorial (Defends specific area)Aggressive to same species/look-alikesShrimp Eater
Peacock Bass Ocellaris
Piscivore (Eats small/nano fish)Hyperactive / Fast SwimmerJumper (Lid Required)Territorial (Defends specific area)
Stocking calculator

Can your tank handle Bumblebee Goby (Brackish) and Peacock Bass Ocellaris?

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.

Bumblebee Goby (Brackish)
Peacock Bass Ocellaris
Test both in my tank

Behaviour & Temperament

Bumblebee Goby (Brackish) is a generally mild-mannered species (4/10), while Peacock Bass Ocellaris is semi-aggressive (7/10). This modest difference means Peacock Bass Ocellaris may occasionally assert dominance over Bumblebee Goby (Brackish).

In terms of spatial distribution, Bumblebee Goby (Brackish) prefers the Bottom (Substrate) zone, whereas Peacock Bass Ocellaris occupies the Middle (Open Water) and Top (Surface) zones. Because they use different levels of the water column, territorial disputes are less likely and the tank will appear more balanced.

There is a critical concern: the Nano / Bite-sized (Predation Risk) behaviour of one fish directly conflicts with the Piscivore (Eats small/nano fish) trait of the other — piscivorous fish will prey on nano-sized tank mates..

Additional behavioural considerations to keep in mind: Two territorial species may clash over territory, especially in smaller tanks.

Worth noting: Peacock Bass Ocellaris is a known jumper, so a tight-fitting lid is essential.

Water Parameters

The safe temperature window for both species falls between 25°C and 28°C. Aim for the midpoint of this range (around 26.5°C) for optimal comfort.

Both fish can tolerate a pH between 7 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 10–15 dGH. Regular testing will ensure conditions stay within this range.

Crucially, these species require different water types — one needs freshwater while the other requires brackish conditions. This is a hard barrier to keeping them together.

Tank Setup

To house Bumblebee Goby (Brackish) and Peacock Bass Ocellaris together, plan for an aquarium of at least 1500 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.

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), Shells (Breeding/Hiding), Smooth Gravel (Sensitive Barbels), Driftwood (Digestion/Hiding). 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

Bumblebee Goby (Brackish) and Peacock Bass Ocellaris 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.

Frequently Asked Questions

Can Bumblebee Goby (Brackish) and Peacock Bass Ocellaris live together?

No. This combination is not recommended. Key incompatibilities — such as different water type needs — make cohabitation unsafe.

What size tank do Bumblebee Goby (Brackish) and Peacock Bass Ocellaris need?

A minimum of 1500 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 Bumblebee Goby (Brackish) and Peacock Bass Ocellaris together?

Keep the aquarium between 25°C and 28°C. A target of around 26.5°C sits comfortably within both species' preferred ranges.

Are Bumblebee Goby (Brackish) or Peacock Bass Ocellaris aggressive?

Bumblebee Goby (Brackish) is generally mild-mannered (4/10) and Peacock Bass Ocellaris is semi-aggressive (7/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Bumblebee Goby (Brackish) and Peacock Bass Ocellaris need?

Both species overlap in the 7–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

How do I manage Bumblebee Goby (Brackish)'s territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Bumblebee Goby (Brackish) 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
Issues or corrections?
Contact the editorial team

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