Dojo Loach (Misgurnus fossilis) in aquarium
๐ŸŒฟ Freshwater ยท Tropical

Dojo Loach

Misgurnus fossilis โ€” Cobitidae
๐Ÿ“ Size:ย 4-6
โณ Lifespan:ย 5-7
โญ Care level:ย Beginner

Overview

The Dojo Loach is a popular freshwater species known for its active nature and striking appearance. It requires a well-maintained tank with plenty of space to explore. With a moderate activity level, this fish is suitable for a variety of community tanks. Its peaceful demeanor makes it a great addition to a community of compatible species.

Quick fact: Misgurnus fossilis belongs to the family Cobitidae. Care level: beginner.

Scientific Classification

RankClassification
FamilyCobitidae
GenusMisgurnus
SpeciesMisgurnus fossilis
Water typefreshwater

Natural Habitat

Native to Southeast Asia, the Dojo Loach prefers slow-moving, vegetated waters with a sandy or muddy substrate.

Appearance

The Dojo Loach has a slender, elongated body with a golden-brown coloration and distinct black spots.

Coloration: golden-brown with black spots

Behavior

This species is generally peaceful but can be territorial when feeding. It is best kept in groups to reduce stress and encourage natural behavior.

TraitValue
Temperamentgregarious bottom dweller
SchoolingNo
Activity levelmoderate
Important: occasionally territorial during feeding times

Water Requirements

ParameterIdeal RangeNotes
Temperature18โ€“24ยฐC (64โ€“75ยฐF)Use a reliable adjustable heater
pH6.5โ€“7.5Avoid sudden swings
Hardness (GH)5-15 dGHSoft to moderately hard
Ammonia0 ppmAny detectable ammonia signals a problem
Nitrite0 ppmToxic even at low levels
Nitrate<20 ppmManage through regular partial water changes
Min. tank40L (11 gal)Larger tanks are easier to keep stable
Important: Always dechlorinate tap water before adding it to the tank. Chlorine and chloramines damage a fish's gills and reduce life expectancy.

Interesting Facts

  • Can grow up to 6 inches in length.
  • Eats a variety of foods, including algae, worms, and insects.
  • Can be kept in a tank with other bottom-dwelling species but should be avoided with aggressive fish.

๐Ÿ“‹ Full Care Guide

Ready to set up a tank for your Dojo Loach? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.

Read Dojo Loach Care Guide โ†’

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Editorial review

This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.