Red Claw Macro tank mates
Macrobrachium assamense
6 rated pairings from the Red Claw Macro care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Red Claw Macro needs at least 30 gallons on its own; every companion adds to that.
Use caution
6 · Works in the right setup; read the note before combining.
Bristlenose Pleco
Ancistrus sp.
20 gal min · 5" adult · Peaceful
Large enough to avoid predation but may compete for territory; monitor closely
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Small size makes predation likely; only suitable in very large tanks with ample hiding
Glass Catfish
Kryptopterus vitreolus
30 gal min · 4" adult · Peaceful
May be hunted; requires careful observation and adequate tank size
Farlowella Catfish
Farlowella acus
25 gal min · 6" adult · Peaceful
Nocturnal behavior reduces conflict but predation risk remains
Twig Catfish
Farlowella acus
30 gal min · 6" adult · Peaceful
Peaceful but vulnerable; best in heavily planted 50+ gallon tanks
Porthole Catfish
Dianema longibarbis
30 gal min · 4" adult · Peaceful
Armored body provides some protection but still at risk in smaller setups
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.