--- title: "Evolution of crabs" description: "A brief explanation about the evolution of crabs and it's facts" author: "Anjita D." published: 2023-10-13 canonical: https://yourviews.mindstick.com/story/2874/evolution-of-crabs category: "animals" tags: ["animals", "crabs", "general knowledge", "facts"] reading_time: 1 minute --- # Evolution of crabs ![Evolution of crabs](https://yourviews.mindstick.com/stories/758331c2-e2d9-45b6-a556-7fac6bcefe6e/images/7c1d601c-278b-47a5-9d53-dbb348b8ad73.jpeg) ![Evolution of crabs](https://yourviews.mindstick.com/stories/758331c2-e2d9-45b6-a556-7fac6bcefe6e/images/e4801e64-524e-40a1-9a60-69ddff86b70f.jpeg) Crab fossils date back to the Jurassic period, some 170 million years ago. ![Evolution of crabs](https://yourviews.mindstick.com/stories/758331c2-e2d9-45b6-a556-7fac6bcefe6e/images/8c8ed740-6a46-445e-a726-4b92271037db.jpeg) However, the first crabs were not like current crabs. They possessed long tails and narrower, flatter shells. ![Evolution of crabs](https://yourviews.mindstick.com/stories/758331c2-e2d9-45b6-a556-7fac6bcefe6e/images/7ce73521-323e-4ba9-b476-5b99659a7353.jpeg) Later, evolved a modern body plan with a tucked tail for protection & a wider, flatter shell for increased surface area for swimming and walking. ![Evolution of crabs](https://yourviews.mindstick.com/stories/758331c2-e2d9-45b6-a556-7fac6bcefe6e/images/f0a58c87-0641-4f2d-beaf-dc8cf203a18d.jpeg) Scientists are unsure of the exact cause of crab body design evolution, but believe it is due to its numerous benefits. ![Evolution of crabs](https://yourviews.mindstick.com/stories/758331c2-e2d9-45b6-a556-7fac6bcefe6e/images/98cf7c06-807c-455d-aa06-2c8f2fad3f08.jpeg) This diversified group today includes over 6,000 species of crustaceans, ensuring a diverse range of living conditions globally. --- Original Source: https://yourviews.mindstick.com/story/2874/evolution-of-crabs Copyright © MindStick Software Pvt. Ltd. This Markdown version is provided for developers, AI systems, and offline reading.