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

Apr 26, 2018 ... Even though they breathe with gills like fish do, crabs can survive out of water for a much longer period of time. So, how do crabs breathe, and ...

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. ... few minutes), but if they stay under too long then they will suffocate.

https://aquarium.org/crabs-the-amphibious-creatures-of-the-sea/

Dec 31, 2013 ... How is it possible for these incredible crustaceans to breathe above and below water? ... Some crabs live almost exclusively on land and most can survive out ... As long as a crab's gills stay damp, oxygen will diffuse from the ...

https://www.thenakedscientists.com/articles/questions/can-lobster-drown

Jan 16, 2011 ... If a lobster is taken out of water and can breathe, does it drown after going back into water? ... Their close relatives, crabs, can actually survive out of water for a bit longer, ... When they're in water, their gills extract oxygen from the water, but when ... So they will survive in air as long as their gills are kept wet.

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

In order to breathe on land, crabs must keep these gills moist so that oxygen in the air can still be absorbed. Gills work because oxygen is a very small molecule.

https://animals.mom.me/saltwater-hermit-crabs-breathe-water-air-1952.html

You can break hermit crabs into two basic kinds: marine crabs and land crabs. One group ... Most can survive briefly out of water as long as their gills are damp.

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

Even when they are on land, the gills can still absorb oxygen as long as they ... For the crabs that do not have lungs, if the gills are kept moist, they can breathe ...

https://www.youtube.com/watch?v=y5qIroDvArs

Dec 3, 2017 ... Ever wondered how crabs manage to breathe both in and out of the water? Thank you so much to Moses, Straylight, and Noah's Ark Exotics for ...

https://www.bluecrab.info/faq.htm

As long as a crab can keep its gills moist, oxygen from the air will diffuse into the moisture, and then into the ... This way they can keep breathing and stay hidden from predators. ... Land crabs have even more adaptations to prevent drying out.

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

examines respiratory and circulatory adaptations for air breathing in these land crabs. ... land crabs appears similar to that of marine forms, there is considerable elaboration of the .... changes are often associated with alternat- ing periods of ...