Clown Loach tank mates
A schooling loach that grows to 30 cm. The 5 cm juveniles sold in shops become adult fish that need 400 L or more over several years.
Common mistakeParking three juvenile clown loaches in a 100L is how keepers invent an unfixable adult problem years later. They grow slowly and look ‘fine’ until length and group needs outrun the glass with no obvious day to act. Plan 400L-class length and six or more from day one — or do not buy the cute juveniles.
Each name below opens a pair check with Clown Loach. That check is the decision, not the list itself.
Usually safer companions
Conservative shortlist from this profile. Open a pair page before you buy.
The Clown Loach profile lists Pearl Gourami as both safe and a recommended pairing. Pearl Gourami is a peaceful beginner-care species with a 100L minimum. Run the pair checker for your specific tank before stocking.
Risky or situational
May work with more water, a mature system, or a species-only setup. Read the pair page before you experiment.
Angelfish is flagged predatory. Equal-size adults usually coexist, but the moment one is stressed, sick, or smaller after a moult, it becomes prey. Angelfish is rated semi-aggressive, so expect chasing, fin damage, or display behaviour directed at Clown Loach. Run the pair checker before stocking.
Marked risky or situational on the profile. Tank length and group size change the outcome more than a temperament label does.
Tiger Barb is rated semi-aggressive, so expect chasing, fin damage, or display behaviour directed at Clown Loach. Run the pair checker before stocking.
Fish to avoid with Clown Loach
Predation, aggression, or space rules on this profile. Treat these as poor default mixes.
Jack Dempsey is rated aggressive and Clown Loach is rated peaceful. No community-style planning carries that gap.
Oscar is rated aggressive and Clown Loach is rated peaceful. No community-style planning carries that gap.
Tank size and groups
- Published minimum for Clown Loach: 400L. Group minimum 6 (schooling).
- Compatibility changes when the tank is too short for turning, too little for a real school, or too warm for one species and not the other. That is why pair checks include tank context, not only temperament.
- Nearest litre hub to this minimum: 300L hub.
Easier alternatives to consider
Hardier first-tank names from the library. Still read the profile. Not a substitute for reading this one.
Plan before you buy
Start a pair check with Clown Loach, or open a starter plan with the top safer companions in the builder.
Tank hubs: 300L
Related reading
Guides that list other fish with the same trait, so you can plan around the group rather than one row.
- Schooling & group fish →
Plan the group of 6+ before choosing tank mates.
- Peaceful community fish →
Other peaceful species to shortlist beside Clown Loach.
Filtration & heating
A 400L minimum tank for Clown Loach needs a filter rated for at least 1600L/hr turnover and a heater maintaining 24–30°C.
Similar fish (same category)
- Yoyo Loach · min 200L
- Dojo / weather loach · min 150L
- Zebra Loach · min 120L
- Hillstream Loach · min 100L
- Kuhli Loach · min 70L
Other species that list Clown Loach
Reverse lookup: these profiles reference Clown Loach under safe or “best with” lists.
Featured compatibility checks
Curated pair pages for Clown Loach. Each opens a full verdict — not just a list label.
Clown Loach tank mates — quick answers
- What fish can live with Clown Loach?
- Usually safer companions on this hub include Pearl Gourami. Open each pair check before you buy — the list is a shortlist, not a guarantee.
- What tank mates should you avoid with Clown Loach?
- Avoid Jack Dempsey, Oscar based on size, temperament, or predation risk on this profile.
- What size tank do Clown Loach need for a community?
- 400L is the planning floor for adult swimming space and bioload. A 488L+ tank is the more comfortable long-term footprint. Length and depth matter as much as raw litres for active or territorial fish.