Proper housing for Roborovski Hamsters requires prioritizing adequate floor space, deep substrate for burrowing, and secure construction preventing escapes from these tiny escape artists. Despite their minute size, minimum cage dimensions should provide 450 square inches of continuous floor space calculated by multiplying length times width, identical to Campbell's dwarf requirements. For reference, a 30 × 15 inch base provides 450 square inches meeting minimum standards, though larger is always better given their extreme activity levels. Avoid multi-level cages counting levels separately as hamsters need uninterrupted horizontal space for running and natural behaviors.
Appropriate cage types include large glass aquariums (40-gallon breeder or larger works well), bin cages constructed from large plastic storage containers with wire mesh ventilation, or commercial hamster cages meeting size requirements. Wire cages must have bar spacing no wider than 1/4 inch preventing escapes, as Robos can squeeze through remarkably small gaps making them ultimate escape artists. Most standard hamster cages have excessive bar spacing unsuitable for these tiny hamsters. Aquariums and bins offer superior security and contain deep substrate well though require adequate ventilation through mesh lids. Given Robos' speed and size, escape prevention is critical priority.
Substrate depth is essential for allowing natural burrowing behaviors critical to Robo wellbeing. Minimum 6-8 inches of substrate enables elaborate tunnel construction, with 10-12 inches being ideal. Appropriate substrates include aspen shavings, paper-based bedding, or combinations providing varied textures. Avoid cedar and pine containing toxic oils. Paper bedding holds burrow structure better than shavings alone, while aspen provides good odor control. Many Robo keepers mix substrates creating different areas with varying tunneling properties. The deep substrate requirement exceeds what many hamster cages accommodate, necessitating thoughtful setup planning.
Wheel provision is absolutely essential for these extraordinarily active hamsters. Wheel diameter should be minimum 6.5 inches though 8 inches is safer preventing back problems. The running surface must be solid without gaps catching feet. Silent spinner wheels reduce nighttime noise disturbance, though given how much Robos run, some noise is inevitable. Place wheels securely preventing wobbling. Most Robos run obsessively for hours nightly, making appropriately sized, safe wheels critical equipment not optional accessories.
Hiding spots are essential for security given their nervous nature. Multiple hide houses in different locations allow choice and escape routes if housing pairs or groups. Ceramic, wooden, or plastic houses work, with entries approximately 1.5 inches diameter suiting their tiny size. Robos spend substantial time in hides when not actively exploring, requiring adequate retreat options. Cork bark, half logs, and commercial hide houses all work well. For extremely shy Robos, having multiple hide locations reduces stress.
Enrichment includes chew toys from safe woods, cardboard tubes creating tunnels though Robos prefer underground tunnels they excavate, foraging areas encouraging natural food searching, and regular substrate rearrangement or additions maintaining novelty. Rotate accessories preventing boredom. Scatter feeding throughout substrate encourages extensive foraging behaviors providing mental stimulation. Sand bath areas using chinchilla sand (not dust) allow natural grooming, with some Robos enjoying sand bathing while others ignore it.
Temperature requirements are moderate, comfortable at room temperatures 65-75°F. They tolerate warmer conditions better than Winter Whites given desert origins, comfortable up to 80°F though excessive heat should be avoided. Keep cages away from cold drafts, direct sunlight creating hot spots, and air conditioning vents. Robos adapted to extreme desert temperature swings tolerate variations better than some species, though stable conditions are always preferable.
Lighting should follow natural day/night cycles with 12-14 hours of light and complete darkness at night supporting circadian rhythms. Avoid bright lights directly on cages during their active nighttime hours as this causes stress. Their eyes adapted for dim conditions make excessive lighting uncomfortable. Red lights allow owners to observe nocturnal activity without disturbing hamsters.
Ensure bar spacing is appropriate (1/4 inch maximum) preventing escapes. Check doors and lids have secure latches Robos can't learn to open, as they're remarkably clever at finding and exploiting weaknesses. Any gaps around wheels, water bottles, or accessories must be secure. Their tiny size allows squeezing through openings that seem impossibly small. Escaped Robos face numerous dangers and are nearly impossible to recapture given their speed.
Water provision through small bottles positioned low for easy access works well. Check daily ensuring proper function as malfunctions cause rapid dehydration. Small ceramic dishes work though risk substrate contamination. If using dishes, select heavy ceramic types resisting tipping. Fresh water daily is essential regardless of method.
Food dishes should be small ceramic types resisting tipping and chewing, though scatter feeding throughout cage provides more naturalistic foraging. Combining bowl feeding of staple food with scattered treats throughout substrate encourages exploration and mental stimulation while making food searching last longer, occupying more of their active time.
Regular maintenance includes daily spot cleaning removing visible waste and soiled substrate, checking and refilling water, providing fresh food, and monitoring overall conditions. Weekly tasks include removing cached perishable foods, replacing heavily soiled substrate sections, and cleaning dishes and wheels. Monthly or as-needed complete substrate changes maintain hygiene, though many owners preserve portions of clean substrate with established tunnel systems, carefully removing and replacing sectionally to minimize stress from complete burrow destruction they worked hard creating.
Proper housing providing adequate space, deep substrate, appropriate enrichment, and security creates foundation for healthy Roborovskis. Their tiny size doesn't equal minimal space needs; rather, their extreme activity demands generous territories. Understanding that appropriate housing significantly impacts behavior and health justifies investment in proper setup meeting species-specific requirements rather than settling for minimal commercial cages marketed for hamsters that fall dramatically short of what these active, burrowing desert hamsters actually need for wellbeing.