Choose a dry, quiet indoor location away from drafts, direct sun, and radiators. The RSPCA advises keeping gerbils away from equipment and water sources that may produce disturbing high-frequency sounds. Check the location throughout the day; a shaded morning corner can become hot in afternoon sunshine.
Look for a large-diameter, solid wheel with no axle that could trap the animal and a secure running surface. A wheel should supplement digging, tunnels, and other activities rather than replace them. Inspect feet and movement during use; remove a problematic wheel and seek veterinary advice about soreness.
Choose a passage wide enough for the animals to move through without getting stuck, using safe chewable materials such as appropriate wood or hay. The RSPCA specifies at least five centimeters in diameter. Avoid plastic tunnels that gerbils will gnaw, and inspect any tunnel regularly for damage.
Make sure fresh water is available and the metal drinking tube is neither blocked nor leaking. Clean the bottle and nozzle regularly rather than simply topping up a dirty container. An apparently full bottle does not prove the gerbils can drink from it, so include flow checks in daily care.
Yes. Gerbils hoard food, so inspect their home daily and remove stale items instead of checking only the feeding area. Feed an appropriate balanced gerbil diet and avoid sudden changes. Notice changes in eating, drinking, or droppings, and contact a veterinarian promptly when something departs from the animal’s normal pattern.
Provide routes at different heights with suitable platforms, tunnels, ropes, and hammocks, while leaving room to run and stretch. Include secure hiding places as well as climbing opportunities. Check objects for damage and trapping hazards; adding more equipment is not helpful if the animals lose usable space.
Inspect bar spacing and every damaged or loose section, especially when housing young rats. The RSPCA warns that if a rat can get its head through, its body can follow. Check chewable parts regularly and use secure housing rather than assuming that yesterday’s intact enclosure remains escape-proof.
Multiple hiding places let individuals retreat without competing for one space. Provide dark shelters with more than one exit and enough options for the group, while allowing shared resting when they choose it. A preferred communal sleeping spot should not remove their ability to spend time apart.
Use food formulated specifically for rats. Rabbit or guinea-pig pellets do not provide the same nutrient balance for an omnivorous rat. Include suitable extras within the daily allowance rather than piling them on top, and ask a veterinarian about individual needs instead of treating all small-animal foods as interchangeable.
Hide portions of their normal daily ration in safe places or suitable cardboard tubes. Offer several food objects for a group so one rat cannot monopolize everything. Count enrichment food toward the day’s total; frequent fatty or sugary extras can unbalance a routine even when the activity is enjoyable.
No. The RSPCA advises gently cleaning it in water removed during an aquarium water change, which helps preserve beneficial bacteria. Untreated tap water can harm that bacterial community. Follow the filter’s maintenance instructions and distinguish cleaning clogged media from replacing or sterilizing the entire biological filter.
No. Direct sun can raise the water temperature excessively and make conditions less stable. Choose a suitable location away from that heating effect and provide an appropriate regular light cycle. Check temperature with a thermometer rather than assuming room temperature or the heater’s setting describes the water accurately.
Small bowls do not provide enough stable water volume, effective filtration space, or useful surface area for oxygen exchange. Goldfish also grow and produce waste. Choose an adequately sized, filtered aquarium planned for the fish’s adult needs rather than using its current small size to justify a tiny container.
Research the exact species before buying. Many tropical fish, including numerous tetras and danios, are shoaling animals that need an appropriate group. Other fish can be territorial. Do not use one companionship rule for every aquarium fish; group size, water conditions, space, and compatibility need to work together.
The RSPCA advises against that combination because slower fancy varieties may lose out at feeding time. Fish belonging to the same species can still differ in swimming ability and practical care needs. Plan compatible companions and adequate space instead of mixing goldfish solely because their labels use the same name.
Ask a responsible person to check the fish and equipment every day. Leave clear feeding instructions and premeasured portions to reduce accidental overfeeding. An automatic feeder still needs checking for correct operation, so test the arrangement beforehand rather than assuming automation removes the need for someone to visit.
The RSPCA does not recommend them because they can release excess food that rots in the water. Arrange appropriate measured feeding and daily checks instead. The right plan depends on the species and setup; keeping water quality stable is more important than leaving a large reserve of food unattended.
Match both the food and delivery method to the species. Fish feeding lower in the tank may need suitable sinking food or tablets rather than flakes consumed at the surface. Observe feeding and account for nocturnal species’ timing instead of assuming every fish received a share because food entered the tank.
Run the equipped aquarium using an aquarium-maturation product and its measured ammonia instructions to establish filter bacteria. Test water throughout the process. Stock only after the expected ammonia and nitrite rise has resolved and readings remain at zero under the protocol; merely waiting with an empty running filter is insufficient.
Additional fish and feeding increase the waste load, and the filter’s bacterial population needs time to adjust. Adding too many at once can produce harmful ammonia or nitrite. Increase stocking slowly, check water quality, and confirm the tank’s adult capacity and species compatibility before buying the next group.
Use a purpose-designed gravel cleaner or siphon with a priming method that does not involve your mouth, following its instructions. Aquarium water may contain harmful bacteria. Keep cuts covered while working and wash your hands afterward; do not treat a clear-looking fish tank as a safe source of water to swallow.
Source checks for these answers: September 22, 2026. Product instructions and local requirements can vary.