Can Banjo Catfish and Neon Blue Goby Live Together?

Reviewed by Guidarium Editorial DeskUpdated April 30, 2026
Possible with Caution

Keeping Banjo Catfish and Neon Blue Goby together is possible but requires caution due to potential behavioral clashes and mismatched flow preferences. Provide a spacious tank of at least 60 litres with plenty of hiding spots to reduce stress. Monitor behaviour closely, especially during the first few weeks.


At a Glance

Banjo Catfish

Bunocephalus coracoideus

Neon Blue Goby

Stiphodon atropurpureus

🐠Family Group
Banjo Catfish
Catfish
Neon Blue Goby
Gobies & Gudgeons
Temperament
Banjo Catfish
Peaceful (1/10)
Neon Blue Goby
Mostly Peaceful (3/10)
Temperature
✓ Compatible
Banjo Catfish
20–28°C
Neon Blue Goby
22–28°C
pH Range
✓ Compatible
Banjo Catfish
6–8
Neon Blue Goby
6.5–7.5
Hardness (dGH)
✓ Compatible
Banjo Catfish
2–20
Neon Blue Goby
4–12
Water Type
✓ Compatible
Banjo Catfish
Freshwater Only
Neon Blue Goby
Freshwater Only
Flow Preference
✗ No overlap
Banjo Catfish
Low
Neon Blue Goby
High
Min Tank Volume
Combined: 60 L
Banjo Catfish
60 L
Neon Blue Goby
57 L
Swimming Level
Shared: 1 zone
Banjo Catfish
Bottom
Neon Blue Goby
Bottom
🏷️Behavior Tags
Banjo Catfish
NocturnalShy / Slow Moving (Easily Stressed)Digger (Disturbs Substrate)Shrimp EaterFry Predator
Neon Blue Goby
Nano / Bite-sized (Predation Risk)Hyperactive / Fast SwimmerDigger (Disturbs Substrate)Territorial (Defends specific area)Aggressive to same species/look-alikes
Stocking calculator

Can your tank handle Banjo Catfish and Neon Blue Goby?

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.

Banjo Catfish
Neon Blue Goby
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Behaviour & Temperament

Banjo Catfish is a peaceful species (1/10), while Neon Blue Goby is generally mild-mannered (3/10). This modest difference means Neon Blue Goby may occasionally assert dominance over Banjo Catfish.

Banjo Catfish and Neon Blue Goby 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.

Additional behavioural considerations to keep in mind: Hyperactive swimmers can stress shy, slow-moving species through constant motion. Shrimp eaters may also prey on very small nano fish.

Worth noting: Banjo Catfish is nocturnal and will be most active after lights-out, naturally reducing daytime encounters.

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 Banjo Catfish and Neon Blue Goby to establish separate territories. Add plenty of line-of-sight breaks using driftwood, rocks, and dense planting to reduce territorial confrontations. 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 22°C and 28°C. Aim for the midpoint of this range (around 25.0°C) for optimal comfort.

Both fish can tolerate a pH between 6.5 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 4–12 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Banjo Catfish and Neon Blue Goby together, plan for an aquarium of at least 60 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, Established Algae (Otocinclus), Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.

Banjo Catfish prefers Low (Still Water) flow while Neon Blue Goby needs High (River/Stream) flow. Consider positioning filter outlets and using baffles to create zones of different current intensity within the same tank.

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. Banjo Catfish and Neon Blue Goby 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 Banjo Catfish and Neon Blue Goby.

Show 19 more tank sizes

Diet & Feeding

Feeding time deserves special attention with this pairing. Banjo Catfish is a known shrimp eater and may prey on small invertebrates or nano fish like Neon Blue Goby.

Frequently Asked Questions

Can Banjo Catfish and Neon Blue Goby live together?

They can coexist, but the pairing requires careful monitoring. Provide ample space (at least 60 litres), plenty of hiding spots, and watch for signs of stress or aggression.

What size tank do Banjo Catfish and Neon Blue Goby need?

A minimum of 60 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 Banjo Catfish and Neon Blue Goby together?

Keep the aquarium between 22°C and 28°C. A target of around 25.0°C sits comfortably within both species' preferred ranges.

Are Banjo Catfish or Neon Blue Goby aggressive?

Banjo Catfish is peaceful (1/10) and Neon Blue Goby is generally mild-mannered (3/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Banjo Catfish and Neon Blue Goby need?

Both species overlap in the 6.5–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

How do I manage Neon Blue Goby's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Neon Blue Goby 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 Banjo Catfish being nocturnal affect compatibility?

Banjo 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 Banjo Catfish during evening hours.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
April 30, 2026
Last updated
April 30, 2026
Issues or corrections?
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