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Related Experiment Video

Updated: Jul 30, 2025

Implantation of a New Micro Acoustic Tag in Juvenile Pacific Lamprey and American Eel

Implantation of a New Micro Acoustic Tag in Juvenile Pacific Lamprey and American Eel

Published on: March 16, 2019

Pacific lamprey inspired climbing.

Brian Van Stratum¹, Kourosh Shoele¹, Jonathan E Clark¹

¹Department of Mechanical Engineering, Florida State University, Tallahassee, FL, United States of America.

Bioinspiration & Biomimetics

|May 17, 2023

Summary

Researchers developed a novel wall-climbing robot inspired by lamprey locomotion. This bio-inspired robot, Trident, demonstrates effective vertical climbing and steering on near-vertical surfaces, advancing snake robotics capabilities.

Keywords:

biologically-inspired robots biomimetics climbing robots snake robots

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Last Updated: Jul 30, 2025

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Acute Dissociation of Lamprey Reticulospinal Axons to Enable Recording from the Release Face Membrane of Individual Functional Presynaptic Terminals

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Published on: October 1, 2014

Area of Science:

Robotics
Bio-inspiration
Locomotion

Background:

Snake robots excel at various terrains but struggle with dynamic vertical climbing.
Existing research lacks focus on vertical ascent strategies for snake robots.

Purpose of the Study:

To introduce a new scansorial (climbing) gait and robot inspired by Pacific lamprey locomotion.
To enable snake robots to steer while climbing flat, near-vertical surfaces.

Main Methods:

Developed a reduced-order model to analyze body actuation and robot motion.
Designed and tested the Trident robot, a lamprey-inspired wall-climbing robot.
Experimentally validated climbing performance on a near-vertical carpeted wall.

Main Results:

The Trident robot achieved a peak vertical stride displacement of 4.1 cm per step.
Attained a vertical climbing speed of 4.8 cm/s at 1.3 Hz actuation.
Demonstrated lateral traversal at 9 cm/s and 14% longer strides than the Pacific lamprey.

Conclusions:

A lamprey-inspired climbing gait is effective for snake robots on near-vertical surfaces.
This strategy, combined with suitable attachment mechanisms, enhances climbing capabilities.
The study opens new avenues for snake robot locomotion in challenging environments.