JavaScript and Cookies are required to view this site. Please enable both in your browser settings.
Gastric Eversion (vomiting) In Sharks

Go Back  

Gastric Eversion (vomiting) In Sharks 

Current Rating:

Join NowJoin Now
  #1  
Old 05-16-2013, 04:41 PM
Sharon's Avatar
Sharon
Offline:
♚ Legacy Gold Member ♚
Poster Rank:31
Female
Join Date: Nov 2008
Contributions: 204
 
Mentioned: 95 Post(s)
Quoted: 2280 Post(s)
Activity Longevity
0/20 18/20
Today Posts
0/11 ssss43405
Gastric Eversion (vomiting) In Sharks

Below is a video (with commentary) showing a Shortfin Mako shark displaying gastric or stomach eversion - a little similar to vomiting.

Quote:
Voluntary gastric eversion followed by retraction not only occurs, but is extremely rapid (lasting [similar]0.3 s). Eversion may occur by stomach relaxation–oesophageal contraction coupled with increased abdominal pressures to enable prolapse, and retraction by a mechanism similar to suction feeding. This behaviour provides a ‘cleansing’ function for removing indigestible food particles, bones, parasites or mucus from the stomach lining. Sharks, and possibly other animals with similar gut structures, may use this technique to help maintain a healthy alimentary tract.
Name:  sharkevers.jpg
Views: 13113
Size:  35.4 KB
Shortfin Mako, Isurus oxyrinchus, with its stomach manually everted out of its mouth. The stomach was everted by pulling on it anteriorly and pushing it from within the coelomic cavity.
Test
Picture and Video Clip Stats.
File Type: mp4 ShortfinMakoSharkGE.mp4 (7.45 MB , 2313 views)
Reply With Quote
The Following 4 Users Say Thank You to Sharon For This Useful Post:
Ess-Eye, Faline, Forensicgirl52, kellyhound
  #2  
Old 05-17-2013, 02:29 PM
Faline's Avatar
Faline
Offline:
My Rank: MAJOR
Poster Rank:8
Join Date: Jun 2009
Contributions: 226
 
Mentioned: 91 Post(s)
Quoted: 2007 Post(s)
Activity Longevity
0/20 17/20
Today Posts
0/11 ssss93131
Re: Gastric Eversion (vomiting) In Sharks

Never heard of this before or seen it
Reply With Quote
The Following User Says Thank You to Faline For This Useful Post:
beepboop
  #3  
Old 05-18-2013, 07:31 AM
Sharon's Avatar
Sharon
Offline:
♚ Legacy Gold Member ♚
Poster Rank:31
Female
Join Date: Nov 2008
Contributions: 204
 
Mentioned: 95 Post(s)
Quoted: 2280 Post(s)
Activity Longevity
0/20 18/20
Today Posts
0/11 ssss43405
Re: Gastric Eversion (vomiting) In Sharks

Quote:
Originally Posted by Kelly View Post
Never heard of this before or seen it
Nor me, it's fascinating!! I ended up watching loads of videos of sharks puking up. They were all pretty much the same and this was the most impressive.
Reply With Quote
  #4  
Old 05-19-2013, 11:33 AM
kellyhound's Avatar
kellyhound
Offline:
✝Mudderator from Hell✝
Poster Rank:10
e-mail
Join Date: Oct 2006
Contributions: 817
 
Mentioned: 446 Post(s)
Quoted: 9131 Post(s)
Activity Longevity
18/20 20/20
Today Posts
11/11 ssss89052
Re: Gastric Eversion (vomiting) In Sharks

first time seeing or hearing bout that.
cool.
Reply With Quote
The Following User Says Thank You to kellyhound For This Useful Post:
Sharon
  #5  
Old 06-02-2013, 06:50 PM
Forensicgirl52
Offline:
My Rank: PRIVATE FIRST CLASS
Poster Rank:4506
Join Date: May 2013
 
Mentioned: 0 Post(s)
Quoted: 20 Post(s)
Activity Longevity
0/20 13/20
Today Posts
0/11 sssssss63
Re: Gastric Eversion (vomiting) In Sharks

I had no idea sharks did that! Fascinating.
Reply With Quote

Powered by vBulletin Copyright 2000-2010 Jelsoft Enterprises Limited.

Search Engine Friendly URLs by vBSEO