Weather Loach Size: Interesting Facts About Weather Loach

Weather Loach is a common fish in Southeast Asia and is being exploited for economic development today. The following article will help you better understand the weather loach size and their care, habits, and behavior in the natural environment and aquariums.

What Are Weather Loach Species?

Weather loaches belong to the family Cobitidae.

Weather loach is a type in the family Cobitidae, including the better-known Kuhli cicadas. It belongs to Myanmar, a lot of Northeast Asia, and central China.

They are discovered in numerous systems from moving rivers and streams to the calm waters of swamps and ponds as rice fields.

They are split into two types of shades:

  • The typical weather loach: This variety is brownish and mottled
  • The golden weather loach: This type is yellow with a hint of pink.

This fish belongs to Asia. They are bottom-dwelling fish and are active at night.

The weather loach is not one of the most distinctive of fish. Yet, its appealing behavior and gracious personality more than offset such a shortcoming.

Very few varieties of people make it through in low water or stagnant settings, but one of them is the weather condition loach.

How Large is the Weather Loach?

The largest Weather loaches can reach up to 20 inches in length.

Among the largest freshwater loaches, there are reports of the largest Weather loaches reaching up to 20 inches in length. The average Weather loach kept in pots can grow to 5 to 8 inches in length.

This dimension identifies the proportions of the fish tank: a minimum of 36″ wish for juveniles and, at the very least, 48″ as an adult.

Characteristics of Weather Loach

Origin and Distribution

Weather loaches are located in China, Northern Vietnam, Japan, Canada, Australia, Siberia, and Sakhalin Island.

Yet, they happen worldwide today, and wild populations can now be located in Turkmenistan, Spain, Germany, Kazakhstan, Italy, Uzbekistan, and the USA.

This expanding circulation is due to various aspects, consisting of aquarium keeping and ranches where they are elevated as a food source and for usage as a fishing lure.

Colors and Markings

Frequently confused with eels, this lizard has a long, identified, olive-colored body, as seen in Misgurnus anguillicaudatus, or has a head-to-tail stripe like Misgurnus Foilis, seldom seen in the United States and West Europe.

They have 6 delicate barbels surrounding the mouth, making it appear like a living dust mop. They have remarkable vitality and are virtually impossible to kill. 

Although not as well vivid, they have expressive manners. It’s not uncommon to see a climate locust perched on its pectoral fins as if they were arms, intently tracking your motions with its eyes.


Weather loaches are serene and can be kept with any other relaxed fish. They do not need to be held in a college but will certainly endure others of their kind. 

However, remember that they will quickly demolish eggs and should not be kept in a storage tank with fingerlings.

Habitat and Care

Weather loaches’ capacity to thrive in the wild comes from their habitats in China and Japan. There they live in shallow rivers, areas, and also in ditches. 

Because they can utilize their intestines to take oxygen from the air, they can make it through when oxygen degrees go down really low.

During droughts, when water products are diminished, this fish endures by excavating deep in the mud to secure its skin from drying.

If burrowing cannot safeguard itself in particularly harsh conditions, it can produce a safety scum to prevent it from drying out.

Although these types can adjust to virtually any problem, cooler water is more suitable for them. Weather loaches like rocks, other landscape design products, or even things as easy as a plastic tube left in the storage tank.

Make sure to keep the filter inlet tubes tightly closed, as they won’t think twice about swimming up the exposed pipe.

Sand or finely crushed rock are good choices for the base layer. The light should be soft or have many covers to ensure that unlikely hiding places can be located.


Weather loaches are omnivores; they can eat anything up to the bottom of the container; specifically, they are very fond of fish eggs, so keep that in mind if you are considering keeping spawning fish in the very same tank as this variety.

In the wild, the major food of weather conditions is insect larvae, small crustaceans and mollusks, and sediment. You can feed them fresh vegetables.

Sexual Differences

Females are generally somewhat more prominent and fuller than males.

Men have bigger pectoral fins and might also have bumps behind the dorsal fin, visible when watched from above.


Weather loach is a cold water fish and needs cool temperatures for numerous months to generate. Therefore, development occurs in springtime to very early summer before water temperature levels warm.

Generating complies with a courting routine, including backward and forward activities of the breeding set, occasionally lasting several hrs.

The fertilized egg will hatch in about three days.


1. What Size Tank Does a Weather Loach Need?

Adults can get to 25cm/10″; however, some have been discovered to be more significant. This size figures out the proportions of the aquarium: a minimum 36″ wish for juveniles as well as less as long as 48″ as an adult.

2. How Many Weather Loaches Should I Keep?

You should keep them in terms of a minimum of three.

These social fish should be kept in terms of a minimum of three. If they’re kept separate, they’ll spend a lot of their time in hiding and are hardly ever energetic during the day.

3. How Quickly Do Weather Loaches Grow?

Weather loaches expand extremely promptly when young and reduce when they pass the 4-5″ mark.

Several factors will influence the growth rate, such as tank dimension, water quality/frequency of water changes, well-blended diets, and so on.

Therefore, it will not be possible to say specifically how long it will take them to expand an inch.

4. Do Weather Loaches Eat Other Fish?

Yes, they will, in some cases, eat fish and also invertebrates small enough to fit in their mouth

5. Are Weather Loaches Aggressive?

Weather loaches are very accommodating and can be kept with virtually any other relaxed fish.


Above is information about weather loaches size I have compiled in the article. 

Thereby, you can easily understand this fish and its size, behavior, reproduction, and food before bringing them back to your aquarium. 

Hopefully, this article will give you helpful knowledge. Thanks for your attention!