Freshwater Brown Back Crab - 5cm (Holthuisana sp.) (Live Crab)

Freshwater Brown Back Crabs (Holthuisana sp.) are fascinating Australian freshwater crabs admired for their rich brown colouration, sturdy build, and active scavenging behaviour.

Common names: Freshwater Brown Back Crab, Australian Freshwater Crab
Scientific name: Holthuisana sp.
Approximate size: Up to 6 cm (2.4 in) across the carapace
Temperament: Semi-aggressive and opportunistic freshwater crab
Recommended tank size: 60 L (15.8 US gal) or larger, with land access
Diet: Omnivorous scavenger; sinking foods, frozen foods, vegetables, detritus, and other suitable foods. May also catch small fish and invertebrates.
Origin: Northern Australia
Basic care information: Keep around 18–25°C (64–77°F) with clean, well-maintained freshwater and a pH of approximately 6.5–7.5. This crab is amphibious and requires access to a dry land area above the water. Provide caves, rocks, roots, and other hiding places. Use a secure lid because they are excellent climbers and escape artists. They can be predatory toward slow-moving fish, shrimp, snails, and other small tank mates, so a species-focused setup is generally safest. Avoid copper and very acidic water.