Can Banana Loach and Scat (Brackish) Live Together?

Not Recommended

Banana Loach and Scat (Brackish) are not recommended as tank mates due to incompatible water types. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Banana Loach

Acantopsis choirorhynchos

Scat (Brackish)

Scatophagus argus

🐠Family Group
Banana Loach
Loaches
Scat (Brackish)
Oddballs
Temperament
Banana Loach
Peaceful (2/10)
Scat (Brackish)
Mostly Peaceful (4/10)
Temperature
✓ Compatible
Banana Loach
22–28°C
Scat (Brackish)
20–28°C
pH Range
✓ Compatible
Banana Loach
6–7.8
Scat (Brackish)
7.5–8.5
Hardness (dGH)
✓ Compatible
Banana Loach
2–15
Scat (Brackish)
12–30
Water Type
✗ No overlap
Banana Loach
Freshwater Only
Scat (Brackish)
Brackish Required
Flow Preference
✓ Compatible
Banana Loach
Moderate
Scat (Brackish)
High
Min Tank Volume
Combined: 450 L
Banana Loach
200 L
Scat (Brackish)
450 L
Swimming Level
Shared: 1 zone
Banana Loach
Bottom
Scat (Brackish)
MiddleBottom
🏷️Behavior Tags
Banana Loach
Digger (Disturbs Substrate)Shy / Slow Moving (Easily Stressed)Nocturnal
Scat (Brackish)
Plant DestroyerHyperactive / Fast SwimmerAggressive Eater (Starves shy fish)Fin Nipper
Stocking calculator

Can your tank handle Banana Loach and Scat (Brackish)?

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.

Banana Loach
Scat (Brackish)
Test both in my tank

Behaviour & Temperament

Banana Loach is a peaceful species (2/10), while Scat (Brackish) is generally mild-mannered (4/10). This modest difference means Scat (Brackish) may occasionally assert dominance over Banana Loach.

Banana Loach and Scat (Brackish) 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. Aggressive eaters may outcompete shy fish for food, leading to malnutrition.

Worth noting: Banana Loach 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 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 7.5 and 7.8. Maintaining a stable value within this band is more important than hitting an exact number.

For general hardness, the shared comfort zone is 12–15 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 Banana Loach and Scat (Brackish) together, plan for an aquarium of at least 450 litres with a minimum length of 150 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), Smooth Gravel (Sensitive Barbels), Established Algae (Otocinclus). 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 Usually Fails in Practice

Banana Loach and Scat (Brackish) 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.

Suitable Tank Sizes

Standard aquarium sizes large enough for both Banana Loach and Scat (Brackish).

Diet & Feeding

Feeding time deserves special attention with this pairing. Scat (Brackish) is an aggressive eater that may prevent Banana Loach from getting enough food.

Because Scat (Brackish) is a fast, competitive feeder, consider using sinking pellets or feeding at opposite ends of the setup to ensure Banana Loach receives an adequate share.

Frequently Asked Questions

Can Banana Loach and Scat (Brackish) live together?

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

What size tank do Banana Loach and Scat (Brackish) need?

A minimum of 450 litres (tank length at least 150 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 Banana Loach and Scat (Brackish) 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 Banana Loach or Scat (Brackish) aggressive?

Banana Loach is peaceful (2/10) and Scat (Brackish) is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do Banana Loach and Scat (Brackish) need?

Both species overlap in the 7.5–7.8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Will Scat (Brackish) nip Banana Loach's fins?

Scat (Brackish) is a known fin nipper. If Banana Loach has long or flowing fins, there is a real risk of fin damage. Keeping Scat (Brackish) in a larger group can help redirect nipping behaviour toward conspecifics.

Does Banana Loach being nocturnal affect compatibility?

Banana Loach 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 Banana Loach during evening hours.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
Editorial desk review
Last updated
Editorial desk review
Issues or corrections?
Contact the editorial team

Related Comparisons