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What Kind of Craw?

Started by Guest_dsaavedra_* , Jan 10 2009 05:23 PM

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4 replies to this topic

#1 Guest_dsaavedra_*

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Posted 10 January 2009 - 05:23 PM

i caught this crawfish from a very small pond behind my school that is used as a source of water in case of a fire. the school's in leonardtown md.

is this picture good enough to possibly ID the craw? its the best picture i have. he is very seclusive and i have to use flash because he hides in the "craw cave" i built.

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#2 Guest_ashtonmj_*

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Posted 10 January 2009 - 05:45 PM

Looks like a Cambarus diogenes with regenerated claws.

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#3 Guest_dsaavedra_*

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Posted 10 January 2009 - 10:32 PM

when you say regenerated, you mean his old claws broke off and these are new ones he re-grew? how can you tell that they're regenerated? is it because they're pretty small?

we caught 3 crawfish during the trip, one that was a little bit smaller than this one, and one that was a little bit bigger. all 3 had small claws like this one.

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#4 Guest_ashtonmj_*

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Posted 11 January 2009 - 09:04 AM

Yup, that's exactly correct. It's fairly common to see one or more claws regenerated. Dave, we also have a crayfish key, both print and interactive. Google "MBSS Crayfish Key". That and the fish key are a continual work in progress. One thing we've noticed of late is the need to include the state listing status of species somehow since that is in a seperate document.