Western New York Herpetological Society
www.wnyherp.org
©
2001 - 2002 by Western New York Herpetological Society
This document is for guidance only and should not be used as the sole source of information. New information is being developed
daily. It is recommend that a concerted effort be made to maintain up-to-date knowledge of the animals of interest.
Common Name:
Boa Constrictor Latin name: Boa constrictor
Native to:
Mexico through South America, including the surrounding islands
Size:
This is a large snake, reaching lengths of 8 to 12 feet and weighing up to 30 to 60 pounds. Females
tend to be larger than males.
Life span:
If properly cared for these snakes usually live 20 to 30 years.
General appearance:
Due to the vast variety of subspecies and different genetic morphs, exact
description is difficult. Generally boas exhibit saddle like patterns running the length of the body
to a red tail. Coloration can vary from grays to browns with younger snakes being lighter in color
than adults.
Housing requirements:
Enclosure:
Hatchlings can be housed in a 20-gallon aquarium, but they will soon out grow this
enclosure. Usually only custom-built cages are the only suitable enclosures for adult
specimens. Cages should at a minimum be 8 feet long by 2 to 3 feet wide by 4 feet tall.
When constructing cages it is important to not use unfinished wood or other porous
materials since these are difficult to clean and can harbor disease.
Temperature:
Daytime temperatures should be 80º to 85º F with a basking temperature of 95º F.
Night time temperatures should be 75º to 80º F.
Heat/Light:
Boas do well with a 12-hour photoperiod. This may need to be adjusted if you wish
to breed. UV light is not necessarily needed. Ambient cage temperatures and basking
spots can be maintained with the use of under-the-tank heaters, basking bulbs, or ceramic
emitters. Be careful to not use large wattage bulbs greater than 100 watts or hot rocks
because these may cause burns to the boa.
Substrate:
Newspaper, indoor/outdoor carpeting, and shavings can all be used. Cedar is not to be
used because it is toxic to animals. Aspen shavings can provide and excellent substrate. If
using shavings or mulch, it is not recommended to feed on the substrate since ingestion of
the shavings could cause impaction.
Environment:
Hide boxes and limbs and shelves for climbing should be provided for climbing
and basking. A large water dish suitable for soaking should also be provided with fresh
water daily.
Diet:
Appropriate sized small mammals should be offered. Young snakes may be offered fuzzy mice, while
large adults may be fed 3 adult rats or a small rabbit once every 2 to 3 weeks. Younger snakes
should be offered food weekly to encourage proper growth.
Maintenance:
The enclosure should be spot checked for feces daily. It is recommended to change the
substrate and disinfect the enclosure with a 5% bleach solution on a regular basis. Be sure to rinse
the enclosure thoroughly after cleaning with the bleach solution. Commercial cleansers like Lysol
or Pine-Sol are not recommended because they may leave a residue that is toxic to the boa. It is
always recommended to wash your hands thoroughly after handling the snake or cleaning the cage
and cage accessories.
Other references or recommended reading:
The General Care and Maintenance of Red Tailed Boas by Philippe de Vosjoli
The Boa Constrictor Manual by Philippe de Vosjoli, Roger K. Dum, Jeff Ronne
Reproductive Husbandry of Pythons and Boas by Richard Ross and Gerald Marzec