Aug 20, 2016 · Nicknamed "the spiders of the sea," crabs are both amazing and important. Learn all about these crabby crustaceans from our list of interesting crab facts.

There are more than 4,500 species of crabs. Most species live in coastal areas of salty, fresh or brackish water. Crabs are super old! They showed up during the Jurassic period, 200 million years ago. The …

Crabs are decapod crustaceans, either the Brachyura (the "true crabs") or various groups within the closely related Anomura, characterised by having a heavily armoured shell, their tail segments …

May 16, 2025 · After millions of years of subsequent evolution, modern day crabs are distinctive and intriguing creatures, with roughly 4,500 species around the globe. They are among the earliest living …

Dec 3, 2025 · Crab, any short-tailed member of the crustacean order Decapoda (phylum Arthropoda)—especially the brachyurans (infraorder Brachyura), or true crabs, but also other forms …

Oct 8, 2020 · These crab facts will reveal the science behind these tasty crustaceans' shells. Learn their origins, biology, and other unique traits here.

Learn interesting facts about crabs - from their unique sideways walking to their remarkable abilities to blend in with their surroundings.

May 9, 2025 · These armored crustaceans inhabit nearly every marine environment from the deepest trenches to shorelines worldwide. Get ready to discover some mind-blowing secrets about these …

May 8, 2024 · Discover 20 fascinating crab facts that will amaze and educate you. From their unique behaviors to their incredible adaptations, learn all about these captivating crustaceans.

Jul 15, 2024 · With over 6,800 crab species, there’s a lot to learn. From shell stealing to regeneration, head to the Original Diving Blog for our top ten crab facts.