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Fishboy1230
04/30/2007, 01:09 PM
I found this awesome 6 minute long video on the Discovery chanel site on mantis shrimp and their striking power! Enjoy!

Link (http://www.exn.ca/video/?video=exn20040423-shrimp.asx)
Fishboy1230
04/30/2007, 01:20 PM
Comments?
yankeereefer
04/30/2007, 01:41 PM
Doesn't work for me - All I get is a commercial
Gonodactylus
04/30/2007, 04:12 PM
The footage of the G. chiragra was shot about 5 years ago in my lab. The interviews with Shiela Patek are a couple of years old. The interesting thing here is that we no longer consider the meral saddle as the primary component that stores the energy for the stike. In fact, we are not sure what it does.

Roy
venwu225
04/30/2007, 04:42 PM
If not the meral saddle,....then what actually stores the energy for the strike??? Didn't the nature paper you guys published establish this fact??
Gonodactylus
04/30/2007, 04:58 PM
The Nature paper presented a model of how the system worked, but did not specifically test it. We have submitted a massive paper to JEB that includes CT scans that shows that the saddle is not the primary storage cite. It may play a role, possibly as a shock absorber.

Roy
triggerman41
04/30/2007, 05:03 PM
wow, pretty cool.
Fishboy1230
04/30/2007, 06:43 PM
Then, Nice lab Roy!
rabidcrab
04/30/2007, 07:09 PM
sweet video!
deboM3
04/30/2007, 11:23 PM
nice vid. thanks for the link
venwu225
05/01/2007, 12:12 AM
So do we know what is the primary storage site? This is fantastically fasinating.
yankeereefer
05/01/2007, 11:04 AM
my bad - I wan't being patinent enough for the vid to load - That was very cool -

What is that in the specimen jar to the left of Sheila during the interview?
Gonodactylus
05/01/2007, 02:50 PM
Yes, we have identified the structures involved, but I really can't discuss what they are until the paper is published. Hopefully that will be later this summer.

The specimen next to Sheila is a large Lysiosquillina maculata from Hawaii. It is a very large male about 35 cm.

Roy
venwu225
05/01/2007, 04:03 PM
OH the TERRIBLE WAITing, again Dr.Cadwell torments me with my own curiosity!
forrestp38829
05/08/2007, 01:50 AM
<a href=showthread.php?s=&postid=9847360#post9847360 target=_blank>Originally posted</a> by Gonodactylus
The Nature paper presented a model of how the system worked, but did not specifically test it. We have submitted a massive paper to JEB that includes CT scans that shows that the saddle is not the primary storage cite. It may play a role, possibly as a shock absorber.

Roy

What kind of CT scanner did you guys use. I operate a 64 channel Philips. With the capability of doing slices at increments of .5mm, and three dimensional reconstructions. We are also in te process of upgrading to a 128 channel soon.