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20% OFFPublished: February 1, 2026
Video Description
Join shark scientist Kristian Parton as he dives deep into the phenomenon of "shark tonic immobility," often referred to as nature's off switch. We'll explore various hypotheses about this bizarre animal behavior and discuss new research that challenges long-held beliefs in shark science. This video aims to shed light on why sharks exhibit this form of hypnosis when touched.
Read the research: https://link.springer.com/article/10.1007/s11160-025-09958-3
Orcas & White sharks: https://www.youtube.com/watch?v=r9aFi9qyzLI
00:01 - Tonic Immobility In Sharks
01:02 - Other Animals Who Have Tonic Immobility
02:21 - What Shark Species Have Tonic Immobility?
03:24 - How Do Sharks Enter Tonic Immobility?
04:24 - Why Do Sharks Enter Tonic Immobility?
04:30 - Anti-Predator Strategy Hypothesis
06:04 - Mating Hypothesis
07:08 - Sensory Overload Hypothesis
07:50 - The New Fourth Hypothesis for Tonic Immobility
10:00 - Tonic Immobility As An Evolutionary Relic
LIKE - COMMENT - SUBSCRIBE
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Visit the Shark Bytes Merchandise page here: https://shark-bytes.teemill.com/
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Shark Bytes is a youtube channel dedicated to bringing you all the latest news, research and information about sharks around the world! Kristian Parton is a current marine biologist and shark researcher who has spent many years working with sharks in the field and laboratory. Having a passion for sharks and rays from a young age, Kristian now wants to bring the weird and wonderful world of sharks to your screens at home.
FOLLOW US:
Twitter/X: @KjParton @SharkBytes1994
Instagram: @SharkBytesIG
TikTok: @SharkBytes1994
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Credits:
Shark Bytes Logo animation: George Vary
All content used is in conjunction with the creative commons license, no copyright infringement intended.