https://www.thoughtco.com/how-do-crabs-breathe-2291887

Apr 26, 2018 ... Did you know that some crabs can breathe underwater, but others cannot? ... Out of the water, crabs have plates called articulating plates that can keep their gills moist by ... How Do Insects Breathe and Do They Have Lungs?

https://www.quora.com/How-do-crabs-breathe-in-and-out-under-water-and-on-land

Land hermit crabs, which in the adult stage, can not breath underwater. You can ... Aquatic crabs have gills and breathe underwater like fish. ... If marine mammals can breathe with lungs, why do they die if kept out of water?

https://animals.mom.me/hermit-crab-lungs-gills-11110.html

Though your pet hermit crab is a land dweller, that doesn't mean he has a set of lungs. All hermit crabs have gills, whether they're aquatic or land hermit crabs, ...

http://thebluecrabresources.weebly.com/respiratory-system.html

Once the oxygen is inside our bodies, it goes down the lungs and into the pulmonary ... Crustaceans such as the blue crab, receive oxygen just like humans do, ...

https://academic.oup.com/icb/article-pdf/32/3/417/5862730/32-3-417.pdf

showing that even subtle anatomical changes can result in the large changes ... Land crabs have been central in the study modified during the water-land transition, ... lungs. A unique adaptation for gas exchange occurs in the Scopimerinae, ...

https://sciencing.com/do-crustaceans-breathe-8788458.html

Aug 6, 2018 ... Crustaceans have exoskeletons, or hard external shells that protect their ... Gills, a crustacean respiratory organ, are very similar to lungs in the ...

http://animalquestions.org/invertebrates/crabs/how-do-crabs-breathe/

Crustaceans that reside in the water do not typically have trouble when it comes to keeping their gills moist. Terrestrial crustaceans can usually keep their gills ...

https://www.ncbi.nlm.nih.gov/pubmed/11923073

Land crabs have a dual circulation via either lungs or gills and shunting ... While crabs occupy a range of habitats from aquatic to terrestrial, these species do not ...

https://en.wikipedia.org/wiki/Branchiostegal_lung

A branchiostegal lung is a respiration organ used by some air-breathing arthropods. It is one of the most significant adaptations of some crabs and hermit crabs ... The developmental shift from water diffusion "gills" to air perfusion "lungs " may have been related to the need for ... You can help Wikipedia by expanding it.

https://www.reference.com/pets-animals/crabs-breathe-6dfc3a1e29140888

For the crabs that do not have lungs, if the gills are kept moist, they can breathe just as well on land as they do in the water. This is why crabs like small, dark and  ...