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Compatibility

Compatibility brief

Can Corydoras Catfish live with Marbled Hatchetfish?

Corydoras Catfish

Corydoras Catfish

Corydoras spp. (page covers the common trade group)

peaceful~6cm
Marbled Hatchetfish

Marbled Hatchetfish

Carnegiella strigata

peaceful~3.5cm
VerdictCAUTION

Caution. Check the issues below before buying.

Corydoras Catfish + Marbled Hatchetfish: Caution advised. Three-zone planted tank: corys bottom, cardinals mid, hatchets surface. Different food sources, different temperaments, no overlap. Outcomes still depend on your tank shape, maintenance routine, and individual fish.

Compatibility score

72/100

Profile confidence: low

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

Min tank

60L

Combined minimum footprint reference for these two species: about 60L (larger active fish often want more length).

Temperature
Range in °C24–26°C shared
Corydoras CatfishMarbled HatchetfishShared window
pH
Range6–7 shared
Corydoras CatfishMarbled HatchetfishShared window

Assessment details

  1. Caution advised

    Top issue

    Three-zone planted tank: corys bottom, cardinals mid, hatchets surface. Different food sources, different temperaments, no overlap.

  2. Compatible temperaments

    Both Corydoras Catfish and Marbled Hatchetfish share a peaceful temperament.

  3. Narrow temperature overlap

    Corydoras Catfish and Marbled Hatchetfish have only a narrow shared temperature range. Maintaining stable water temperature will be important.

“Three-zone planted tank: corys bottom, cardinals mid,…”

Caution advised

Next steps

Concrete changes, not "research more" filler.

  • •Corydoras Catfish should be kept in a group of at least 6 for best health and behaviour.
  • •Marbled Hatchetfish should be kept in a group of at least 6 for best health and behaviour.
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 Corydoras Catfish + Marbled Hatchetfish

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 (Marbled Hatchetfish): 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

Other tank mates for Corydoras Catfish

Corydoras Catfish + Marbled Hatchetfish — common questions

Can Corydoras Catfish live with Marbled Hatchetfish?
Yes, if you plan for it. The verdict is CAUTION, which means the pairing works when specific conditions are met, not by default. The first condition: Corydoras Catfish should be kept in a group of at least 6 for best health and behaviour.
What tank size do you need for Corydoras Catfish and Marbled Hatchetfish together?
Plan around 60 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?
Narrow temperature overlap. 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?
Marbled Hatchetfish should be kept in a group of at least 6 for best health and behaviour.