Summary ²

Crayfish – also called crawfish, crawdads, freshwater lobsters, or mudbugs – are freshwater crustaceans resembling small lobsters, to which they are related; taxonomically, they are members of the superfamilies Astacoidea and Parastacoidea. They breathe through feather-like gills and are found in bodies of water that do not freeze to the bottom. They are mostly found in brooks and streams where there is fresh water running, and which have shelter against predators. Most crayfish cannot tolerate polluted water, although...

Sources and Credits

1. (c) birdgal5, some rights reserved (CC BY-NC-ND), http://www.flickr.com/photos/33818785@N00/3402668257
2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Astacoidea

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Global Biodiversity Information Facility (GBIF)
• How to Photograph Crayfish
• World Register of Marine Species

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