Compatibility brief
Can Corydoras Catfish live with Marbled Hatchetfish?
Caution. Check the issues below before buying.
Corydoras Catfish + Marbled Hatchetfish: Narrow temperature overlap. Corydoras Catfish and Marbled Hatchetfish have only a narrow shared temperature range. Maintaining stable water temperature will be important. Outcomes still depend on your tank shape, maintenance routine, and individual fish.
Compatibility score
Profile confidence: low
Order of checkstank volume vs adults → predation mouth gap → temperament / fin nipping → shared water windows.
60L
Combined minimum footprint reference for these two species: about 60L (larger active fish often want more length).
Assessment details
Known compatible pairing
Three-zone planted tank: corys bottom, cardinals mid, hatchets surface. Different food sources, different temperaments, no overlap.
Compatible temperaments
Both Corydoras Catfish and Marbled Hatchetfish share a peaceful temperament.
Narrow temperature overlap
Top issueCorydoras Catfish and Marbled Hatchetfish have only a narrow shared temperature range. Maintaining stable water temperature will be important.
“Corydoras Catfish and Marbled Hatchetfish have only a narrow…”
Narrow temperature overlap
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.
Try instead
- →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.
- Seriously Fish. Corydoras paleatus
Primary: aquarium size, water chemistry, behaviour, and compatibility (URL verified in upgrade script; recheck if site content changes).
- FishBase. Corydoras paleatus
Secondary: taxonomy, distribution, and maximum length in nature; cross-check with aquarium import lines and measured tank parameters.
- Wikipedia. Corydoras paleatus
Secondary: general species context; verify all husbandry numbers against a dedicated aquarium care sheet and your test kit, not a single table row.
- Seriously Fish. Carnegiella strigata
Primary: species page on Amazon/Rio Negro blackwater origin, jumping behaviour, schooling needs, and feeding (surface foods only).
- Practical Fishkeeping. Marbled Hatchetfish Profile
Secondary: editor coverage of tank setup, surface plant requirement, and the pectoral-fin gliding behaviour.
Try this next
Build the full stocking list with Corydoras Catfish + Marbled Hatchetfish
Plan further
Try both species in the full-stock tank check, or open either fish profile for mates lists. 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): Based on typical aquarium care sources; details may vary between setups.