# When Did Crabs Evolve Their Iconic Sideways Scuttle? Scientists Traced

- Link: https://tectonicsmediapublications.com/when-did-crabs-evolve-their-iconic-sideways-scuttle-scientists-traced/
- Published: 2026-06-19T20:45:26+00:00
- Author: News Team

< img src=" https://th-thumbnailer.cdn-si-edu.com/9Hl7QQimApRLjR70B14XMW_Z4CY=/
fit-in/1600x0/filters:focal (250x170:251 x171)/ https://tf-cmsv2-smithsonianmag-
media.s3.amazonaws.com/filer_public/b5/29/b529cc56-9b02-41d9-b165-41fd904dea5f/low-
res_tuerkayana_hirtipes_by_tsubasa_inoue_cc_by_40.png" alt="" > The findings recommend
that their well-known lateral movement evolved just when. It may have helped the
animals quickly spread and diversify since moving in 2 directions suggested they
could easily escape predators  [Source](https://www.smithsonianmag.com/smart-news/when-did-crabs-evolve-their-iconic-sideways-scuttle-scientist-traced-it-to-a-200-million-year-old-common-ancestor-180988765/)

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