Question 1

Do hermit crabs need a heat lamp?

Accepted Answer

Hermit crabs do not necessarily need a heat lamp, but their tank does need to be kept warm. Ideal temperatures range from 75-85 degrees and vary by species. Choose a low-intensity heat lamp, an under-tank heating mat or pad, or a combination of heat sources to keep your crab friends happy and toasty.

Question 2

How to warm up a hermit crab tank?

Accepted Answer

The best way to warm up a hermit crab tank is with the even heat of an under-tank heater. You can also use an incandescent bulb that emits both heat and light, but you'll have to shut it off and switch to a lightless source of heat at night. For simplicity, many people prefer the under-tank heat pad method with no-heat lighting during the day.

Question 3

What kind of lighting do hermit crabs need?

Accepted Answer

Hermit crabs need natural light during the day or just a simple source of artificial light to regulate their day/night cycle. LED, incandescent, or fluorescent lighting will usually suffice. Some experts recommend UVB lighting as well, but opinions vary on whether it is truly necessary.

Question 4

Do hermit crabs need direct sunlight?

Accepted Answer

Hermit crabs do not need direct sunlight, but they do need a 12-hour light/dark cycle for good health. You can provide that by putting your enclosure somewhere that gets natural light, or with a simple lighting setup — put it on a timer or just turn it off in the evening. While exposure to natural sunlight can be healthy, avoid putting your hermit crab habitat in direct sunlight, as it can easily overheat.

Question 5

Where do you put a heater for a hermit crab?

Accepted Answer

The best place to put a heater for a hermit crab is where it will emit even, low-intensity heat. A good choice is an under-tank heating pad placed on the side of the tank or underneath your crabs' substrate. If you choose to use a heating lamp for your habitat, place it where the heat won't be too intense and use a thermometer to ensure your enclosure stays within a safe temperature range.

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Zoo Med Digital Min-Max Precision Thermometer

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