What size tank does a Weather Loach need?

Weather Loach needs a minimum of 75 gallons, with 113 gallons recommended. They are bottom swimmers. Keep in groups of 3+.

Is Weather Loach good for beginners?

Weather Loach is rated "beginner" difficulty (1/5). Great for beginners.

What fish are compatible with Weather Loach?

Weather Loach is peaceful. Compatible tank mates include other peaceful fish with similar water parameters (pH 6.5-8, temp 50-77°F).

Weather Loach

Misgurnus anguillicaudatus

Family: Cobitidae • Origin: Various

Weather Loach (Misgurnus anguillicaudatus) is a peaceful loach reaching 10 inches. Keep in groups of 3+. Minimum tank: 75 gallons.

Min Tank

75 gal

Max Size

10"

Temperature

50-77°F

6.5-8

Lifespan

15 years

School Size

Swim Level

bottom

Hardness

5-15 dGH

peacefulbeginneromnivoreschooling

Is Weather Loach Right for Your Tank?

Weather Loach is an excellent choice for beginners — rated "beginner" difficulty (1/5). They're hardy, forgiving of minor water parameter fluctuations, and generally easy to feed. They need at least 75 gallons — a mid-size tank commitment. Plan your space accordingly.

With a peaceful temperament, Weather Loach makes a great community fish. They coexist well with other non-aggressive species of similar size. This is a schooling species — keep at least 3 together, or they may become stressed and display abnormal behavior. Expected lifespan: 15 years with proper care.

Common Mistakes with Weather Loach

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Keeping fewer than 3 together

Weather Loach is a schooling species — they need a group of at least 3 to feel secure. Lone or paired individuals become stressed, hide constantly, and may develop health issues or aggression.

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Putting them in a tank under 75 gallons

Many beginners underestimate tank size needs. Weather Loach requires at least 75 gallons — ideally 113. Cramped tanks lead to stunted growth, aggression, and poor water quality.