Can White Cloud Mountain Minnow and Wrestling Halfbeak Live Together?

Reviewed by Guidarium Editorial DeskUpdated April 28, 2026
Not Recommended

White Cloud Mountain Minnow and Wrestling Halfbeak 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

White Cloud Mountain Minnow

Tanichthys albonubes

Wrestling Halfbeak

Dermogenys pusilla

🐠Family Group
White Cloud Mountain Minnow
Cyprinids
Wrestling Halfbeak
Livebearers
Temperament
White Cloud Mountain Minnow
Peaceful (1/10)
Wrestling Halfbeak
Mostly Peaceful (4/10)
Temperature
✗ No overlap
White Cloud Mountain Minnow
14–22°C
Wrestling Halfbeak
24–28°C
pH Range
✓ Compatible
White Cloud Mountain Minnow
6–8
Wrestling Halfbeak
7–8.5
Hardness (dGH)
✓ Compatible
White Cloud Mountain Minnow
5–20
Wrestling Halfbeak
10–20
Water Type
✓ Compatible
White Cloud Mountain Minnow
Freshwater Only
Wrestling Halfbeak
Brackish Tolerant
Flow Preference
✓ Compatible
White Cloud Mountain Minnow
Moderate
Wrestling Halfbeak
Moderate
Min Tank Volume
Combined: 55 L
White Cloud Mountain Minnow
38 L
Wrestling Halfbeak
55 L
Swimming Level
Shared: 1 zone
White Cloud Mountain Minnow
TopMiddle
Wrestling Halfbeak
Top
🏷️Behavior Tags
White Cloud Mountain Minnow
Nano / Bite-sized (Predation Risk)Hyperactive / Fast SwimmerJumper (Lid Required)
Wrestling Halfbeak
Jumper (Lid Required)Hyperactive / Fast SwimmerFry PredatorAggressive to same species/look-alikes
Stocking calculator

Can your tank handle White Cloud Mountain Minnow and Wrestling Halfbeak?

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.

White Cloud Mountain Minnow
Wrestling Halfbeak
Test both in my tank

Behaviour & Temperament

White Cloud Mountain Minnow is a peaceful species (1/10), while Wrestling Halfbeak is generally mild-mannered (4/10). This modest difference means Wrestling Halfbeak may occasionally assert dominance over White Cloud Mountain Minnow.

White Cloud Mountain Minnow and Wrestling Halfbeak both frequent the Top (Surface) region of the setup. This overlap can increase competition for space, so providing ample room and cover is important to keep both species comfortable.

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

Water Parameters

There is no temperature overlap between White Cloud Mountain Minnow (14–22°C) and Wrestling Halfbeak (24–28°C). This fundamental mismatch makes long-term cohabitation impractical.

Both fish can tolerate a pH between 7 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 10–20 dGH. Regular testing will ensure conditions stay within this range.

Tank Setup

To house White Cloud Mountain Minnow and Wrestling Halfbeak together, plan for an aquarium of at least 55 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.

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, Smooth Gravel (Sensitive Barbels), Plants - Floating. 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

White Cloud Mountain Minnow and Wrestling Halfbeak 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 White Cloud Mountain Minnow and Wrestling Halfbeak.

Show 20 more tank sizes

Frequently Asked Questions

Can White Cloud Mountain Minnow and Wrestling Halfbeak live together?

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

What size tank do White Cloud Mountain Minnow and Wrestling Halfbeak need?

A minimum of 55 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 White Cloud Mountain Minnow and Wrestling Halfbeak together?

Unfortunately, there is no temperature range that satisfies both species. White Cloud Mountain Minnow requires 14–22°C, while Wrestling Halfbeak needs 24–28°C.

Are White Cloud Mountain Minnow or Wrestling Halfbeak aggressive?

White Cloud Mountain Minnow is peaceful (1/10) and Wrestling Halfbeak is generally mild-mannered (4/10). Their similar temperaments generally lead to a peaceful coexistence.

What pH do White Cloud Mountain Minnow and Wrestling Halfbeak need?

Both species overlap in the 7–8 pH range. Consistency is key — avoid sudden swings, and test regularly to stay within this window.

Editorial Review

Guidarium Editorial Desk

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

Last reviewed
April 28, 2026
Last updated
April 28, 2026
Issues or corrections?
Contact the editorial team

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