Can Betta (Siamese Fighting Fish) and White Cloud Mountain Minnow Live Together?
Betta (Siamese Fighting Fish) and White Cloud Mountain Minnow 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
Behaviour & Temperament
Betta (Siamese Fighting Fish) is a moderately assertive species (5/10), while White Cloud Mountain Minnow is peaceful (1/10). This notable difference means Betta (Siamese Fighting Fish) may occasionally assert dominance over White Cloud Mountain Minnow.
Betta (Siamese Fighting Fish) and White Cloud Mountain Minnow both frequent the Top (Surface) and Middle (Open Water) 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: Shrimp eaters may also prey on very small nano fish.
Worth noting: Betta (Siamese Fighting Fish) is a known jumper, so a tight-fitting lid is essential.
Water Parameters
There is no temperature overlap between Betta (Siamese Fighting Fish) (24–30°C) and White Cloud Mountain Minnow (14–22°C). This fundamental mismatch makes long-term cohabitation impractical.
Both fish can tolerate a pH between 6 and 8. Maintaining a stable value within this band is more important than hitting an exact number.
For general hardness, the shared comfort zone is 5–20 dGH. Regular testing will ensure conditions stay within this range. An aquarium test kit is recommended for monitoring.
Tank Setup
To house Betta (Siamese Fighting Fish) and White Cloud Mountain Minnow together, plan for an aquarium of at least 46 litres with a minimum length of 45 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: Plants - Densely covered, Plants - Floating, Smooth Gravel (Sensitive Barbels). 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.
Find the right tank equipment
Browse tanks, décor, and equipment suited for this setup.
Suitable Tank Sizes
Standard aquarium sizes large enough for both Betta (Siamese Fighting Fish) and White Cloud Mountain Minnow.
10 Gallon Standard
15 Gallon Standard
20 Gallon High
20 Gallon Long
29 Gallon Standard
30 Gallon Breeder
Show 22 more tank sizes
Diet & Feeding
Feeding time deserves special attention with this pairing. Betta (Siamese Fighting Fish) is a known shrimp eater and may prey on small invertebrates or nano fish like White Cloud Mountain Minnow.
Frequently Asked Questions
Can Betta (Siamese Fighting Fish) and White Cloud Mountain Minnow live together?
No. This combination is not recommended. Key incompatibilities — such as non-overlapping temperature ranges — make cohabitation unsafe.
What size tank do Betta (Siamese Fighting Fish) and White Cloud Mountain Minnow need?
A minimum of 46 litres (tank length at least 45 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 Betta (Siamese Fighting Fish) and White Cloud Mountain Minnow together?
Unfortunately, there is no temperature range that satisfies both species. Betta (Siamese Fighting Fish) requires 24–30°C, while White Cloud Mountain Minnow needs 14–22°C.
Are Betta (Siamese Fighting Fish) or White Cloud Mountain Minnow aggressive?
Betta (Siamese Fighting Fish) is moderately assertive (5/10) and White Cloud Mountain Minnow is peaceful (1/10). The gap in aggression levels means the calmer fish may experience stress from the more assertive one.
What pH do Betta (Siamese Fighting Fish) and White Cloud Mountain Minnow need?
Both species overlap in the 6–8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.
How do I manage Betta (Siamese Fighting Fish)'s territorial behaviour?
Provide line-of-sight breaks using rocks, driftwood, and dense planting. A larger tank gives Betta (Siamese Fighting Fish) 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.
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