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Pygmy Rattlesnake

Sistrurus miliarius

<i>Sistrurus miliarius</i> (commonly known as Pygmy Rattlesnake) is native to Southeastern United States, where it inhabits pine flatwoods, sandhills, and wet prairies near water bodies.

Family
Viperidae
Origin
Stati Uniti sudorientali
Origin
North America
Tank use
Used in 0 tanks

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Species challenges
Water Temperature

18 °C - 32 °C

pH Value

n/a

Water type

Terrestrial

Basking spot

32 °C

UVB

Low

Species description

Geographical Origin and Habitat: Sistrurus miliarius (commonly known as Pygmy Rattlesnake) is native to Southeastern United States, where it inhabits pine flatwoods, sandhills, and wet prairies near water bodies.

Taxonomy and Genetics: Belongs to the family Viperidae, genus Sistrurus. It is studied for its unique venom genetics and specialized physiological adaptations.

Behavior and Habits: Predominantly terrestrial, solitary, and nocturnal. It spends most of the day camouflaged in leaf litter or under shelters waiting for prey.

Morphology: Adults reach an average size of 50.0 cm. Males typically exhibit longer tails than adult females.

Care, breeding and tankmates

Terrarium Setup: Requires an escape-proof terrarium of at least 100 liters with natural loose substrate and secure hiding spots.

Lighting and Heating: Carnivorous diet consisting of properly sized rodents fed via long feeding tongs. Supplement with vitamins.

Humidity and Hydration: Keep ambient temperatures at 18.0-32.0°C with a basking spot of 32.0°C. Provide low UVB.

Feeding and Supplementation: Solitary species, must be housed individually. Keeping multiple snakes together leads to severe stress.

Compatibility: Breeding is difficult in captivity, requiring a cooling period and careful introduction under supervision.

Health and Common Diseases: Prone to respiratory tract infections if ventilation is poor, and blister disease if the substrate is excessively wet.

Reptile profile

Diet
Carnivoro
Humidity
50 % - 70 %
Ambient temperature
26 °C
Basking spot
32 °C
UVB
Low
Adult size
50 cm
Minimum enclosure
100 L

Image gallery

Licensed images linked to the species or, when marked, to the closest representative taxon.

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Last updated: 06/13/2026