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Author Topic: Crab Parasites and Leg Regeneration  (Read 4969 times)
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lazerbacon
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« on: April 01, 2013, 09:12:07 PM »

Sup All,

I have gotten a few crabs that have small little worm type creatures attached to them.  Any idea what they are?  Also a cool look at the back leg that is growing.  Never seen a half grown leg,  either its there or its not when I catch them.

« Last Edit: April 01, 2013, 09:14:49 PM by lazerbacon » Logged
fishingtom
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« Reply #1 on: April 01, 2013, 09:14:36 PM »

Looks exactly like a leach to me...
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lazerbacon
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« Reply #2 on: April 01, 2013, 09:30:17 PM »

Looks exactly like a leach to me...

Hah,  good call Fishingtom.  Your are probably correct.
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flounderpounder
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« Reply #3 on: April 01, 2013, 10:02:12 PM »

Sup yo
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Crab Shack
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« Reply #4 on: April 01, 2013, 10:14:03 PM »

Looks exactly like a leach to me...



Nah Tom, it looks nothing like my ex-brother-in-laws.   
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gmubeach
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« Reply #5 on: April 03, 2013, 06:35:17 PM »

I got several in LA That had smaller crustacean leaches. Was told by the locals to purge the crabs and salt bath them
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Harford Crabber
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« Reply #6 on: April 03, 2013, 07:15:26 PM »

Not sure if these are the same leeches but they look similar.  Here's a good article about them.

http://www.adfg.alaska.gov/static/species/disease/pdfs/crustaceandiseases/crab_leech.pdf
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gmubeach
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« Reply #7 on: April 03, 2013, 07:36:50 PM »

Thank god we don't have these in md va.  I was told to purge with iodized salt and tap water and cook imidetly
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lazerbacon
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« Reply #8 on: April 03, 2013, 08:44:55 PM »

1 out of every 5 crabs I catch has them.  None of them are adults yet or of legal size.  This is all crabs from the same creek as well. 
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lazerbacon
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« Reply #9 on: April 03, 2013, 08:46:23 PM »

Not sure if these are the same leeches but they look similar.  Here's a good article about them.

http://www.adfg.alaska.gov/static/species/disease/pdfs/crustaceandiseases/crab_leech.pdf

Thanks for the info. That looks spot on.
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gmubeach
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« Reply #10 on: April 03, 2013, 10:09:58 PM »

I dont know if they can survive in the cold or salt the crabs in la where on a freshwater lake. I've never seen them up here.
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Crab Shack
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« Reply #11 on: April 04, 2013, 12:07:34 AM »

I went to Paris once, and saw all the "parasites".    Grin
 
« Last Edit: April 04, 2013, 12:10:05 AM by CrabShack » Logged

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« Reply #12 on: April 04, 2013, 06:59:24 PM »

Old article - but conclusive evidence that leeches do utilize blue crabs as a spot to deposit eggs on.  these leeches attack fish - and use the blue crab shell as a surface to lay their eggs on.

http://www.biolbull.org/content/148/2/193.full.pdf

This is the scientific name for the leech: Myzobdella lugubris

Odd though that from your pic it looks like a worm attached to the abdomen/carapace.  The study just shows cocoons/eggs.  But I guess a worm being found on one makes sense too.

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