Can Bumblebee Goby (Brackish) and Red-Tail Catfish Live Together?

🔴Not Recommended

Bumblebee Goby (Brackish) and Red-Tail Catfish 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

Red-Tail Catfish

Phractocephalus hemioliopterus

🐠Family Group
Bumblebee Goby (Brackish)
Gobies & Gudgeons
Red-Tail Catfish
Catfish
Temperament
Bumblebee Goby (Brackish)
Mostly Peaceful (4/10)
Red-Tail Catfish
Aggressive (7/10)
Temperature
✓ Compatible
Bumblebee Goby (Brackish)
24–28°C
Red-Tail Catfish
20–28°C
pH Range
✓ Compatible
Bumblebee Goby (Brackish)
7–8.5
Red-Tail Catfish
6–7.5
Hardness (dGH)
✓ Compatible
Bumblebee Goby (Brackish)
10–25
Red-Tail Catfish
3–15
Water Type
✗ No overlap
Bumblebee Goby (Brackish)
Brackish Required
Red-Tail Catfish
Freshwater Only
Flow Preference
✓ Compatible
Bumblebee Goby (Brackish)
Low
Red-Tail Catfish
Moderate
Min Tank Volume
Combined: 4560 L
Bumblebee Goby (Brackish)
38 L
Red-Tail Catfish
3800 L
Swimming Level
Shared: 1 zone
Bumblebee Goby (Brackish)
Bottom
Red-Tail Catfish
Bottom
🏷️Behavior Tags
Bumblebee Goby (Brackish)
Nano / Bite-sized (Predation Risk)Territorial (Defends specific area)Aggressive to same species/look-alikesShrimp Eater
Red-Tail Catfish
Piscivore (Eats small/nano fish)Plant DestroyerDigger (Disturbs Substrate)Nocturnal

Behaviour & Temperament

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

Bumblebee Goby (Brackish) and Red-Tail Catfish 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.

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..

Worth noting: Red-Tail Catfish 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 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 Red-Tail Catfish together, plan for an aquarium of at least 4560 litres with a minimum length of 300 cm. This accounts for the larger species' space requirements with an additional 20 % buffer to reduce territorial tension.

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.

Frequently Asked Questions

Can Bumblebee Goby (Brackish) and Red-Tail Catfish 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 Red-Tail Catfish need?

A minimum of 4560 litres (tank length at least 300 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 Red-Tail Catfish 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 Bumblebee Goby (Brackish) or Red-Tail Catfish aggressive?

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

What pH do Bumblebee Goby (Brackish) and Red-Tail Catfish 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.

Does Red-Tail Catfish being nocturnal affect compatibility?

Red-Tail Catfish 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 Red-Tail Catfish during evening hours.


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