How Many Red Claw Crab in a 29-Gallon Tank?
In a 29-gallon tank, plan on about 1–2 Red Claw Crab, leaving room for tankmates and filtration headroom.
Why
Stocking is driven by adult size and waste output, not just fish count. Red Claw Crab reaches about 2.5" with a moderate bioload, and needs 72–82°F water at pH 7.5–8.5. Always cycle the tank and test water before adding livestock.
| Adult size | 2.5" |
|---|---|
| Minimum tank | 20 gallons |
| Temperature | 72–82°F |
| pH | 7.5–8.5 |
| Temperament | Semi-aggressive |
| Schooling | No |
| Diet | Omnivore |
| Care level | Moderate |
| Origin | Southeast Asia (brackish) |