The Ussuri mamushi is a small venomous from the Russian Far East, northeastern China, and Korea, where it's the most common pit viper. It doesn't live in the wild in the US. It's also called the red-tongued pit viper.

Appearance

Appearance
Adults are usually about 16–24 in (40–60 cm) long. The body is reddish or dark brown with a row of dark-edged round blotches along the back. It has a triangular head and a red tongue.

Where it lives

Typical habitats
  • low mountains
  • valleys
  • farmland near hills
Range
Found in Primorsky Krai in Russia, northeastern China, and across the Korean Peninsula including Jeju Island. Not found in the wild in North America.
Preferred conditions
Lives from sea level up to about 3,300 ft (1,000 m), often hiding under rocks.

Behavior

Diet
Mainly frogs, plus fish, lizards, other snakes, and centipedes.

Life cycle

Breeding season
In Korea, young are born in August and September. Females don't give birth every year.
Litter size
About 2–10 live young

Cautions

Cautions
A venomous pit viper.

Conservation

IUCN Red List
LCLeast ConcernLow risk of extinction
Status
In Korea, poaching is reducing numbers, and catching it is banned by law.

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Ussuri Mamushi (Gloydius ussuriensis) — identification, habitat & look-alikes | Moeyo