Dojo loach

Introduction

The Dojo loach, also known as the weather loach or pond loach, is a popular freshwater fish among aquarists due to its unique appearance and engaging behavior. Resembling an eel with its elongated body and barbels around the mouth, this species is renowned for its playful nature and ability to detect changes in barometric pressure, often becoming more active before storms. Their hardy nature and adaptability make them suitable for both beginner and intermediate fishkeepers.

Care and Environment

Proper care and an appropriate environment are essential for the health and well-being of Dojo loaches. Below is a comprehensive guide to their care requirements:

What is the minimum tank size for a Dojo loach?

A single Dojo loach requires a minimum tank size of 208 liters (55 gallons). For a group, a larger tank of at least 284 liters (75 gallons) is recommended to provide ample space for swimming and burrowing.

What are the ideal water parameters for Dojo loaches?

Dojo loaches thrive in cooler water temperatures ranging from 18°C to 24°C (64°F to 75°F). They prefer a pH level between 6.0 and 8.0 and water hardness from 5 to 12 dGH. Consistent water quality is crucial, so regular monitoring and maintenance are necessary.

What type of substrate and tank decor is best for Dojo loaches?

These loaches enjoy burrowing, so a soft, sandy substrate is ideal to prevent injury. Providing hiding spots such as caves, driftwood, and smooth rocks will help them feel secure. Live plants can also be added, but ensure they are sturdy enough to withstand the loaches' digging behavior.

How should I feed my Dojo loach?

Dojo loaches are omnivorous and should be fed a varied diet. Sinking pellets or wafers are suitable staples, supplemented with live or frozen foods like bloodworms, brine shrimp, and daphnia. Blanched vegetables such as zucchini or cucumber can also be offered occasionally. Feeding once or twice daily in appropriate amounts will help maintain their health.

Are there any specific challenges in keeping Dojo loaches?

Dojo loaches are known to be escape artists, often attempting to jump out of tanks. Ensuring a secure lid is essential. They are also sensitive to sudden changes in water parameters, so gradual adjustments are recommended. Additionally, their burrowing behavior can uproot plants and disturb the substrate, which should be considered when designing the tank.

Origin and Habitat

Dojo loaches (Misgurnus anguillicaudatus) are native to East Asia, including countries like China, Korea, Japan, and parts of Russia. They inhabit a variety of freshwater environments such as rivers, lakes, swamps, and rice paddies. These habitats are typically slow-moving or stagnant with muddy or sandy substrates, providing ample opportunities for burrowing. The loaches are well-adapted to environments with fluctuating water levels and can survive in low-oxygen conditions by gulping air from the surface.

Temperament and Compatibility

Dojo loaches are peaceful and social fish, often displaying playful behavior. They are best kept in groups of three or more to encourage natural interactions and reduce stress.

What are suitable tank mates for Dojo loaches?

Compatible tank mates include other peaceful, similarly sized fish that prefer cooler water temperatures. Examples are goldfish (particularly fast-moving varieties), white cloud mountain minnows, and certain species of barbs and danios. It's important to avoid aggressive or territorial species that may harass the loaches.

Can Dojo loaches be kept with invertebrates?

Caution is advised when housing Dojo loaches with invertebrates like shrimp and snails, as the loaches may view smaller invertebrates as food. Larger, non-aggressive invertebrates may coexist peacefully, but monitoring is essential.

Do Dojo loaches exhibit any unique behaviors?

Yes, they are known for their sensitivity to changes in barometric pressure, often becoming more active before storms, which has earned them the nickname "weather loach." They also enjoy burrowing and may occasionally attempt to jump out of the tank, so a secure lid is necessary.

Interesting Facts

Dojo loaches possess several fascinating traits that endear them to aquarists:

Why are Dojo loaches called "weather loaches"?

They have the ability to detect changes in barometric pressure, often becoming more active or exhibiting erratic swimming behaviors before storms, hence the nickname "weather loach."

Can Dojo loaches breathe air?

Yes, they can gulp air from the surface, allowing them to survive in low-oxygen environments. This adaptation enables them to inhabit waters with varying oxygen levels.

How long do Dojo loaches live?

With proper care, Dojo loaches can live between 7 to 10 years in captivity, making them a long-term commitment for aquarists.

Sources

All information in this article has been gathered from the following reputable sources:

• fishkeepingworld.com
• fishlore.com
• aquariumfriend.com