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Dwarf Reed Snakes Cartwheel to Escape Predators, Study in Current Biology Reveals Biomechanics

other · 2026-10-21

A recent study published on October 19 in Current Biology highlights the cartwheeling escape technique of dwarf reed snakes (Pseudorabdion longiceps). Yosuke Kojima, an ecologist from Toho University, was astonished to discover this behavior seven years ago. His research team gathered various snakes at Kubah National Park in Malaysia, including one P. longiceps, one P. collaris, 11 P. saravacense, and six Calamaria for comparison. The Pseudorabdion species demonstrated rolling abilities, achieving speeds between 3.8 and 8.3 mph. Although cartwheeling was first documented in 2019, biologist Jessica Tingle pointed out that many questions about its evolution and mechanics remain unanswered. Dwarf reed snakes, which are slender and nocturnal, can grow up to nine inches and are preyed upon by birds and other snakes.

Key facts

  • The study was published October 19 in Current Biology
  • Dwarf reed snakes (Pseudorabdion longiceps) grow to a maximum length of nine inches
  • Researchers tested 13 Pseudorabdion snakes and six Calamaria snakes at Malaysia's Kubah National Park
  • All 13 Pseudorabdion snakes cartwheeled; none of the Calamaria snakes did
  • Cartwheeling snakes reached top speeds of 3.8 to 8.3 miles per hour
  • Cartwheeling was first formally observed in August 2019 and described in Biotropica in 2023
  • Rolling is about four times faster than slithering
  • Ecologist Yosuke Kojima is based at Toho University in Japan

Entities

Artists

  • Yosuke Kojima
  • Jessica Tingle
  • Sabrina Imbler
  • Maria Temming
  • Sarah Kuta
  • Kanon Tanaka

Institutions

  • Toho University
  • Brown University
  • Current Biology
  • Biotropica
  • Science News
  • Defector
  • Smithsonian Magazine

Locations

  • Japan
  • Malaysia
  • Kubah National Park
  • Southeast Asia
  • Longmont
  • Colorado
  • United States

Sources