Graham's Crayfish Snake

Scientific Name: Regina grahamii
Family: Natricidae

Description & Size

  • Legless
  • No eyelids
  • Lacks external ears
  • Scales on the back have a prominent ridge in the middle (strongly keeled)
  • Divided anal scale
  • Total length: 45.7-119.4 cm (18.0-47.0 in)
  • Back color: light brown to olive
  • May or may not have dark lines extending down the back
  • Belly color: lightly colored may or may not have spots
  • Wide cream to yellow strip located on the first three scale rows on the back starting from the belly

Life History

  • Diurnal, rarely nocturnal
  • Active season: April – October
  • Breeding season: April – May
  • Gives live birth
  • On average, 15 young per female
Graham's Crayfish Snake

Habitat

  • Permanent wetlands
  • Edges of streams and lakes
  • Crawfish burrows

Diet

  • Crayfish
  • Rarely frogs and fish

Range Map

Graham's Crayfish Snake range map

Most common range within the last 50 years and does not include outliers. For more info email researchers email.