Crab Information Resources

Crab Information Resources

Crabs are diverse crustaceans found in oceans, estuaries, rivers, and coastal environments around the world. Known for their hard exoskeletons, sideways movement, claws, and ecological importance, crabs play key roles in nutrient cycling, shoreline health, and marine food webs. The resources below provide reliable information on crab species, biology, habitats, behaviour, and conservation.


Official & Global Marine Resources

Biology, Behaviour & Species Profiles

Habitats, Ecology & Conservation Science

Photos, Videos & Educational Media


Why Use Official & Trusted Marine Sources

Crab species vary widely in habitat, behaviour, and ecological function — from deep-sea crabs to mangrove, intertidal, and freshwater species. Population trends and conservation needs evolve as marine environments change. Using authoritative marine science and conservation organisations ensures access to accurate, evidence-based, and up-to-date information.

⚠️ Disclaimer

This page provides links to external marine, scientific, conservation, and educational websites for general information only. All facts, images, videos, species profiles, ecological data, and related material are created, maintained, and updated solely by their respective official or third-party providers. This page does not create, host, verify, or guarantee any scientific, ecological, or conservation information and is not affiliated with or endorsed by the IUCN, WWF, FAO, National Geographic, Smithsonian, BBC, ScienceDirect, Nature, MarineBio, or any other organisations referenced. Always consult original sources or qualified marine specialists for detailed scientific, ecological, or conservation guidance.