Compatibility brief
Can Beckford Pencilfish live with Corydoras Catfish?
Caution. Check the issues below before buying.
Compatibility score
Profile confidence: low
How we decideFishori checks adult size and predation risk, behaviour, water requirements and tank needs before giving a verdict.
60L
Combined minimum footprint reference for these two species: about 60L (larger active fish often want more length).
Assessment details
Data or identification limits
Top issueAt least one fish has common trade or ID ambiguity, so the numbers here may not match the individual in the shop.
Compatible temperaments
Both Beckford Pencilfish and Corydoras Catfish share a peaceful temperament.
Compatible temperature range
Both fish can comfortably share similar water temperatures.
“At least one fish has common trade or ID ambiguity, so the…”
Data or identification limits
Next steps
Concrete changes, not "research more" filler.
- •Beckford Pencilfish should be kept in a group of at least 6 for best health and behaviour.
- •Corydoras Catfish should be kept in a group of at least 6 for best health and behaviour.
- Seriously Fish. Nannostomus beckfordi
Primary: species page covering blackwater origin, schooling behaviour, and the lateral-stripe display in mature males.
- Practical Fishkeeping. Beckford Pencilfish Profile
Secondary: editor write-up on tank-mate compatibility, including the shrimp-tolerant reputation.
- 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.
Try this next
Build the full stocking list with Beckford Pencilfish + Corydoras Catfish
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 (Beckford Pencilfish): Typical care sources — trade names for this fish get mixed up, so verify the ID before you buy.

