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Brazilian Rainbow Boas


Het Hypomelanistic



Double Het Ghost

Dumerils Boas

Unnamed Female 1
Unnamed Female 2


Care Sheets

Beginner's Guide To Brazilian Rainbow Boas
Brazilian Rainbow Boa Care Sheet
Dumerils Boa Care Sheet

Frequently Asked Questions

Brazilian Rainbow Boa FAQ's
Dumerils Boa FAQ's

Do It Yourself Projects

Snake Rack
Rodent Breeding Tubs


How To Sex A Snake
How To Pick Up A Snake
Dumerils Boa Giving Birth 1
Dumerils Boa Giving Birth 2
Dumerils Boa Giving Birth 3
Breaking Through Egg Sac
Dumerils Boa Eating Mouse
How To Feed 2nd Food Item
Dumerils Boa Eating A Rat
BRB Shedding Short
BRB Shedding
BRB Striking A Mouse 1
BRB Striking A Mouse 2
Feeding A Hesitant BRB
Hypo BRB Swimming
BRB Eating A Rat


Brazilian Rainbow Boas Dumerils Boas

Brazilian Rainbow Boa Care Sheet


Brazilian Rainbow Boas are slender bodied snakes that average between 5-7 feet long.  They are arguably one of the most beautiful snakes in the world.  Brazilian Rainbow Boas typically range from deep red to bright orange.  Rainbow Boas are well known for their amazing iridescence caused by microscopic ridges on their scales that create a rainbow glow when they reflect light.  They also have bold crescent moons on their side that contrast their amazing color.



Brazilian Rainbow Boas can be kept in anything ranging from simple plastic tubs to large elaborate terrariums.  The key components are a secure enclosure with a large water bowl and a place to hide.  Adult Rainbow Boas do best with at least 4-6 square feet of space.  Babies can thrive in something as simple as a plastic shoe box/storage container.  Brazilian Rainbow Boas do well with a variety of substrates ranging from sphagnum peat moss, cypress mulch, paper towels, craft paper, or newspaper.  The essential thing is to maintain high humidity and the proper temperature.  If you decide to use a glass cage or fish tank, be sure to cover the top to limit dissipation of humid air and loss of heat.


Temperature and Humidity:

Brazilian Rainbow Boas have the unwarranted reputation of being difficult to care for.  However, Rainbow Boas are as easy as most entry-level snakes when you set up their cage properly.  They require a temperature gradient ranging from 75-83 degrees.  High humidity is essential.  This is accomplished in several simple ways.  The most important factor is to limit ventilation in order to avoid transfer of humid air from the cage to the room around it.  Brazilian Rainbow Boas should have a water bowl that’s large enough to swim in, and a hide lined with damp peat moss.  My Rainbow Boas have water bowls that take up about 1/3 of the floor space.  The evaporating water from the water bowl keeps the ambient humidity around 70%, and the damp hide stays between 90-100% humidity.  Following these guidelines will set up an environment that practically takes care of itself.



Brazilian Rainbow Boas in captivity primarily eat mice and rats that are about as thick as the widest part of their body.  Babies are large enough to eat hopper mice and pinky rats.  One appropriately sized prey item per week is ideal for babies.  Once your snake approaches full size, you should reduce the feeding to once every two weeks to avoid obesity. 


It is safest to feed your Brazilian Rainbow Boa fresh killed or frozen/thawed food.  Never leave a live rodent unattended with your snake.  Rainbow Boas are most active at nighttime, and this is the ideal time to feed them.  I usually wiggle the food with tongs to stimulate the snake to strike and eat it.  If the snake is hesitant to strike, but interested in the food I gently press it against the boa’s mouth until it takes hold.  If this fails, I’ll leave the food in the cage overnight.  If your Rainbow Boa refuses to eat, the first thing you should check is the temperature and humidity in the cage.  Always avoid handling your snake for 24-48 hours after feeding.



Brazilian Rainbow Boas become excellent pets with mellow temperaments with regular handling.  Baby Rainbow Boas can be nervous and more prone to strike, but they will soon calm down with consistent interaction.



The duration between sheds depends on the growth rate of your Brazilian Rainbow Boa.  Typically, babies shed every 3-6 weeks.  Adults shed less frequently once they reach their full size.  If your Rainbow Boa is shedding in pieces, it’s usually an indication that the humidity isn’t high enough.

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