Can Mountain Rainbowfish and Skunk Botia Live Together?

Reviewed by Guidarium Editorial DeskUpdated May 11, 2026
Not Recommended

Mountain Rainbowfish and Skunk Botia are not recommended as tank mates due to no temperature overlap. Housing these species together is likely to result in stress, health problems, or direct harm to one or both fish.


At a Glance

Mountain Rainbowfish

Melanotaenia monticola

Skunk Botia

Yasuhikotakia morleti

🐠Family Group
Mountain Rainbowfish
Rainbowfish
Skunk Botia
Loaches
Temperament
Mountain Rainbowfish
Peaceful (2/10)
Skunk Botia
Aggressive (7/10)
Temperature
✗ No overlap
Mountain Rainbowfish
17–24°C
Skunk Botia
26–30°C
pH Range
✓ Compatible
Mountain Rainbowfish
7.4–8.5
Skunk Botia
6–7.5
Hardness (dGH)
✓ Compatible
Mountain Rainbowfish
8–20
Skunk Botia
2–12
Water Type
✓ Compatible
Mountain Rainbowfish
Freshwater Only
Skunk Botia
Freshwater Only
Flow Preference
✓ Compatible
Mountain Rainbowfish
High
Skunk Botia
Moderate
Min Tank Volume
Combined: 150 L
Mountain Rainbowfish
110 L
Skunk Botia
150 L
Swimming Level
✓ Different zones
Mountain Rainbowfish
TopMiddle
Skunk Botia
Bottom
🏷️Behavior Tags
Mountain Rainbowfish
Hyperactive / Fast SwimmerJumper (Lid Required)Fry Predator
Skunk Botia
Snail EaterShrimp EaterFin NipperGenerally AggressiveAggressive to same species/look-alikesTerritorial (Defends specific area)Digger (Disturbs Substrate)Hyperactive / Fast Swimmer
Stocking calculator

Can your tank handle Mountain Rainbowfish and Skunk Botia?

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.

Mountain Rainbowfish
Skunk Botia
Test both in my tank

Behaviour & Temperament

Mountain Rainbowfish is a peaceful species (2/10), while Skunk Botia is semi-aggressive (7/10). This notable difference means Skunk Botia may occasionally assert dominance over Mountain Rainbowfish.

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

Worth noting: Mountain Rainbowfish is a known jumper, so a tight-fitting lid is essential.

Water Parameters

There is no temperature overlap between Mountain Rainbowfish (17–24°C) and Skunk Botia (26–30°C). This fundamental mismatch makes long-term cohabitation impractical.

Both fish can tolerate a pH between 7.4 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 8–12 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house Mountain Rainbowfish and Skunk Botia together, plan for an aquarium of at least 150 litres with a minimum length of 90 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: Driftwood (Digestion/Hiding), Sand (Sifters), Smooth Gravel (Sensitive Barbels). Meeting these requirements will help both species thrive.

Both species do well with high (river/stream) water movement, so a standard filtration setup rated for the tank volume should suffice.

Why This Pairing Usually Fails in Practice

Mountain Rainbowfish and Skunk Botia 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 Mountain Rainbowfish and Skunk Botia.

Show 9 more tank sizes

Frequently Asked Questions

Can Mountain Rainbowfish and Skunk Botia live together?

No. This combination is not recommended. Key incompatibilities — such as non-overlapping temperature ranges — make cohabitation unsafe.

What size tank do Mountain Rainbowfish and Skunk Botia need?

A minimum of 150 litres (tank length at least 90 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 Mountain Rainbowfish and Skunk Botia together?

Unfortunately, there is no temperature range that satisfies both species. Mountain Rainbowfish requires 17–24°C, while Skunk Botia needs 26–30°C.

Are Mountain Rainbowfish or Skunk Botia aggressive?

Mountain Rainbowfish is peaceful (2/10) and Skunk Botia is semi-aggressive (7/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.

What pH do Mountain Rainbowfish and Skunk Botia need?

Both species overlap in the 7.4–7.5 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Will Skunk Botia nip Mountain Rainbowfish's fins?

Skunk Botia is a known fin nipper. If Mountain Rainbowfish has long or flowing fins, there is a real risk of fin damage. Keeping Skunk Botia in a larger group can help redirect nipping behaviour toward conspecifics.

How do I manage Skunk Botia's territorial behaviour?

Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Skunk Botia 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 11, 2026
Last updated
May 11, 2026
Issues or corrections?
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