Compatibility brief
Can Common Pleco live with Marbled Hatchetfish?
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.
600L
Combined minimum footprint reference for these two species: about 600L (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 Common Pleco and Marbled Hatchetfish 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.
- •Marbled Hatchetfish should be kept in a group of at least 6 for best health and behaviour.
- •Common Pleco reaches ~60cm: tank length and turning room matter more than the litre number. A tall, short tank of the same volume is not equivalent.
- LiveAquaria. Suckermouth / Common pleco (Hypostomus plecostomus)
Primary: large-aquarium retailer care guidance for the common / suckermouth Hypostomus type; emphasises long-term size and need for a very large system.
- Planet Catfish. Hypostomus plecostomus (Cat-eLog species sheet)
Primary: hobby species sheet: identification pointers, size expectations, and import caveats for the name 'common pleco' in trade.
- FishBase. Hypostomus plecostomus
Secondary: natural distribution and maximum size in the wild; cross-check 'common plec' in shops, which is often a different Hypostomus altogether.
- 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 Common Pleco + Marbled Hatchetfish
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. Typical care sources — trade names for this fish get mixed up, so verify the ID before you buy.

