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Compatibility

Compatibility brief

Can Bristlenose Pleco live with Clown Loach?

Bristlenose Pleco

Bristlenose Pleco

Ancistrus sp.

peaceful~15cm
Clown Loach

Clown Loach

Chromobotia macracanthus

peaceful~30cm
VerdictGOOD

Often a workable match in a suitable, well-run tank. Still verify behaviour in your setup.

Both bottom-dwellers with separate niches: the pleco grazes algae on hardscape, the loach school works the substrate. Tank must be 250L+ for adult clown loaches, but the species mix peacefully. Success still depends on tank size, stable water, and the actual fish you buy.

Compatibility score

100/100

Profile confidence: low

Order of checkstank volume vs adults → predation mouth gap → temperament / fin nipping → shared water windows.

Min tank

400L

Combined minimum footprint reference for these two species: about 400L (larger active fish often want more length).

Temperature
Range in °C24–27°C shared
Bristlenose PlecoClown LoachShared window
pH
Range6.5–7.5 shared
Bristlenose PlecoClown LoachShared window

Assessment details

  1. Known compatible pairing

    Both bottom-dwellers with separate niches: the pleco grazes algae on hardscape, the loach school works the substrate. Tank must be 250L+ for adult clown loaches, but the species mix peacefully.

  2. Compatible temperaments

    Both Bristlenose Pleco and Clown Loach share a peaceful temperament.

  3. Compatible temperature range

    Both fish can comfortably share similar water temperatures.

  4. Data or identification limits

    Top issue

    At least one fish has common trade or ID ambiguity, so the numbers here may not match the individual in the shop.

“At least one fish has common trade or ID ambiguity, so the…”

Data or identification limits

Next steps

Concrete changes, not "research more" filler.

  • •Clown Loach should be kept in a group of at least 6 for best health and behaviour.
  • •Clown Loach reaches ~30cm: tank length and turning room matter more than the litre number. A tall, short tank of the same volume is not equivalent.
Sources from both profiles
Only URLs that exist on the species records are shown. We do not fabricate citations.

Try this next

Build the full stocking list with Bristlenose Pleco + Clown Loach

Compare another pairOpen tank builder

Plan further

Check each species’ mates list, size the glass, then verify the full stock in the builder. Methodology explains how verdicts are produced.

Individual fish vary in personality. Fishori uses conservative hobby rules. Observe any new introduction closely, feed thoughtfully, and keep a quarantine or backup plan. This is not veterinary advice.

Profile data confidence: medium. Driven by the lower-confidence profile (Bristlenose Pleco): Typical care sources — trade names for this fish get mixed up, so verify the ID before you buy.

Full tank-mate guides

Related pair checks

Bristlenose Pleco + Clown Loach — common questions

Can Bristlenose Pleco live with Clown Loach?
Usually, yes. The pairing resolves GOOD in Fishori's checks for a tank of about 400 litres or more with the shared water windows shown on this page. Individual fish still vary, so watch the first weeks closely.
What tank size do you need for Bristlenose Pleco and Clown Loach together?
Plan around 400 litres as the working minimum. That figure comes from each species' published minimum and their group needs, and it assumes adult sizes, not shop sizes.
What's the main risk?
Data or identification limits. That is the first thing to plan around. The matching entry under assessment details on this page explains the reasoning and the numbers behind it.
What should you check before buying?
Clown Loach should be kept in a group of at least 6 for best health and behaviour. Clown Loach reaches ~30cm: tank length and turning room matter more than the litre number. A tall, short tank of the same volume is not equivalent.