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ORI Tags  Rating:  Rating
 
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 Posted: Thu Mar 29th, 2012 09:40 pm
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Enigma
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Joined: Mon Apr 27th, 2009
Location: Eldoraigne , South Africa
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As a guide for anglers who catch a previously tagged fish.

What to do in terms of contributing to the research effort:

If you catch a fish that has a tag in it, leave the tag in the fish and take the following detail:

Tag Number normally preceded by an A, B or C which designates the Tag type.

Measure the fish / shark and if unsure how, measure full length and fork or pre-caudal notch

If you have a scale or are going to keep the fish weigh it for accurate records for comparison to the Weight to Length Stats.

Note date, place and time of capture.

Download and complete the attached spreadsheet and email it to Stuart Dunlop of ORI sdunlop@ori.org.za or oritag@ori.org.za

You and the person making the original tagging will receive a reply on how long the fish was free since previous capture, growth in time free, distance traveled ie, place of last capture vs place of re-capture

Thanks in advance for all those who contribute to the efforts of conservation

Attachment: Tagging Recaptures.xls (Downloaded 102 times)

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 Posted: Fri May 11th, 2012 08:31 pm
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Tiger Hunters
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Joined: Thu May 10th, 2012
Location: St Lucia, South Africa
Posts: 96
Equipment: Abu Garcia C6500, Berkley Lightning rod 7ft Med/Hev, Berkley Big ...
Best Catch: 275kg Hamerhead Shark, 7kg Tigerfish ...
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hi i would like to get some tags fr tigerfish where and how do i go about it i run a charter and would love to contribute to this research

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 Posted: Fri May 11th, 2012 09:16 pm
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Enigma
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Joined: Mon Apr 27th, 2009
Location: Eldoraigne , South Africa
Posts: 12873
Equipment: Fishing Tackle and Lot's of IT
Best Catch: Anything with fins - from a 15gr 3 spot Barb ...
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These are only Oceanographic tagging kits

Tagging doesn't work in freshwater as the method causes internal infections in Freshwater.

The ORI tagging projects are for Oceonagraphic research only

I'm not aware of tagging projects on Tigers other than a project that was done in the Kruger last year

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 Posted: Sun May 13th, 2012 11:29 am
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Stapies
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Joined: Sat Mar 10th, 2012
Location: Mosselbay/ Gordons Bay, South Africa
Posts: 2315
Equipment: TOO MUCH!
Best Catch: Edible : Cob 32.5 kg in ed +- 227kg shark
Favorite Fishing Spot: Struisbay, Ystervark fontein and the whole of the Transkei
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If I wanted to start tagging fish in mosselbay? What steps do I take to obtain the kits and what is the process? I release about 95% of the fish I catch and I think it would be great to contribute...

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 Posted: Sun May 13th, 2012 11:57 am
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Enigma
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Joined: Mon Apr 27th, 2009
Location: Eldoraigne , South Africa
Posts: 12873
Equipment: Fishing Tackle and Lot's of IT
Best Catch: Anything with fins - from a 15gr 3 spot Barb ...
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Hi, here are the links. 1st one includes Stuart Dunlop's details, he is the responsible researcher regarding the Kit's

http://www.sealine.co.za/view_topic.php?id=68998&forum_id=1&highlight=tagging+kit

http://www.sealine.co.za/view_topic.php?id=62229&forum_id=1&jump_to=849897#p849897

http://www.sealine.co.za/view_topic.php?id=29206&forum_id=1&highlight=tagging+kit

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 Posted: Wed Nov 6th, 2013 09:46 am
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Def-e-nition
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Joined: Thu Sep 18th, 2008
Location: GuptaVille, Mossel Bay, South Africa
Posts: 5182
Equipment: Tackle Store Proportions .with nuclear Capability ....
Best Catch: Zel ...
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ORI FISH TAGGING PROJECT

RECAPTURE OF TAGGED FISH

MR S ATKINSON : AT3124
10 ROBBIE SCHOLTZ AVENUE
DA NOVA
MOSSEL BAY
6500

DEAR MR S ATKINSON

A fish that you tagged and released has been recaught.
Details are given below.
TAG NO: A147954 (FISH RERELEASED WITH TAG)
SPECIES: spotted ragged-tooth shark
DAYS FREE: 736
DISTANCE MOVED: 19 km
GROWTH: 350 mm
WEIGHT DIFFERENCE: kg
No. OF TIMES RECAPTURED: 1
TAG RELEASE INFORMATION
TAGGED BY: MR S ATKINSON
LOCALITY: Buffels Bay (SE Cape)
DATE: 29 Oct 2011
LENGTH: 820 mm
WEIGHT: kg
MEASUREMENT TYPE: Precaudal
RECAPTURE INFORMATION
ANGLER: Carel Bruwer
LOCATION: Sedgefields / Swartvlei
DATE: 03 Nov 2013
LENGTH: 1170 mm
WEIGHT: kg
MEASUREMENT TYPE: Precaudal

Thank you for your enthusiastic support and co-operation


This is Why we Do it , Eh .

Made My day Mr Bruwer . Thank you .

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 Posted: Wed Aug 17th, 2016 10:57 pm
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Psy
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Joined: Tue Jun 3rd, 2008
Location: Langvlei Duine, Wildernis., South Africa
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Here's some good info just out an Online Tagging info site.


http://www.ori.org.za/content/page/tagging-news


::tight:

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 Posted: Thu Aug 18th, 2016 10:24 pm
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SPARRABOS
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Joined: Sun Aug 9th, 2015
Location: PORT ELIZABETH, South Africa
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ek het taamlik getagde vis gevang in my lewe........deel paar interesante vangste....._seal1_

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 Posted: Thu Aug 18th, 2016 10:34 pm
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SPARRABOS
Sealiner
 

Joined: Sun Aug 9th, 2015
Location: PORT ELIZABETH, South Africa
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op 21 maart 2005 elf gevang op mostertshoek naby cape st francis...was op 13 oktober 2004 getag in de hoop......159 dae vry.....475 km geswem....

Attachment: 2016-08-18 19.22.33.jpg (Downloaded 133 times)

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 Posted: Thu Aug 18th, 2016 10:37 pm
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SPARRABOS
Sealiner
 

Joined: Sun Aug 9th, 2015
Location: PORT ELIZABETH, South Africa
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15 desember 2009 silver kobbie gevang op thyspunt......was op 3 october 2009 getag by klippepunt.....73 dae vry.....12 km geswem...hom vrygelaat sonder om hom te meet of weeg....

Attachment: 2016-08-18 19.22.48.jpg (Downloaded 134 times)

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 Posted: Thu Aug 18th, 2016 10:38 pm
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SPARRABOS
Sealiner
 

Joined: Sun Aug 9th, 2015
Location: PORT ELIZABETH, South Africa
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baie galjoen trek nie...gallie was by tyspunt getag op8 augustus 2005....vang hom weer daar17 augustus 2007....3.83 kg op salter skaal...vrygelaat....

Attachment: 2016-08-18 19.21.21.jpg (Downloaded 132 times)

Last edited on Thu Aug 18th, 2016 10:41 pm by SPARRABOS

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 Posted: Fri Aug 19th, 2016 11:37 am
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Vades
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Joined: Mon Nov 22nd, 2010
Location: Port Elizabeth, South Africa
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SPARRABOS wrote:
baie galjoen trek nie...gallie was by tyspunt getag op8 augustus 2005....vang hom weer daar17 augustus 2007....3.83 kg op salter skaal...vrygelaat....

Interesting, one of Paul Cowley's fish from when he was still Dr. and not Professor.

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 Posted: Fri Aug 19th, 2016 01:32 pm
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SPARRABOS
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Joined: Sun Aug 9th, 2015
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:)if i recall a gallie was tagged in namibie and recapture at jongensfontein.....some do travel very far......_seal1_

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 Posted: Fri Aug 19th, 2016 02:31 pm
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Dr halibut hoffman
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Joined: Wed Sep 16th, 2009
Location: Cape, South Africa
Posts: 2351
Equipment: Shimano, daiwa, a finnor and an elbe.. The rest died. ...
Best Catch: Shimano, daiwa, a finnor and an elbe.. The rest died. ...145cm FL Leervis released (Shore), 80kg+ yellowfin (Boat). 83cm Cracker. ...
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Thanks guys..Very interesting. I'm shocked at how slow the poenskoppe grew when I read the recaps from the last two newsletters. I knew they grew slow, I've bitched a few times here at guys for keeping fish but you know how it is with a fish brought up from the deep, you need to be prepared with a deep release weight to get it down otherwise it is stuffed..But anyway I can't believe how slow they really grow, I had no idea.

Black musselcracker/
poenskop
06/10/1995 Cintsa River area (Tkei) 590mm J. Lentz 28/05/2014 Offshore, Glenmore (KZN) 845mm D. Liebenburg 314 6809
(18 yrs)
255 The longest recorded distance and time at liberty
for a poenskop highlighting the slow growth rate
of this species

Copied from the newsletter, that is a growth of 255mm (25.5cm) in 18.5 years! An average of 13mm a year!! Jeepers. That fish could have been 60 years old already and isn't even yet one of the trophy fish you see people have caught. On my conversion tables that is a fish of about 17 kg. The species gets up to 40 kg.

Black musselcracker/
poenskop
27/12/1997 Kasouga, Port
Alfred (ECape)
400
(0.9kg)
John White 10/07/2015 Port Edward (KZN) ?
(6.24kg)
Koos Du
Preez
455 6 404
(17.5 yrs)
? Second longest recorded
distance and time at
liberty for a poenskop
highlighting the slow
growth rate of this species

That fish is at least 17/18 years old and is only of 6.24kg of mass. From my tables that is a fish of about 60cm. Like I said I can't believe it. But there it is, the data does not lie. In shock. I would have figured a 6kg reef fish like that would be maybe 6 years old. 17/18 years I would never have guessed.This fish is approaching the size of sex change to a male.

Last edited on Fri Aug 19th, 2016 02:57 pm by Dr halibut hoffman

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 Posted: Fri Aug 19th, 2016 02:45 pm
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Dr halibut hoffman
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Joined: Wed Sep 16th, 2009
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Equipment: Shimano, daiwa, a finnor and an elbe.. The rest died. ...
Best Catch: Shimano, daiwa, a finnor and an elbe.. The rest died. ...145cm FL Leervis released (Shore), 80kg+ yellowfin (Boat). 83cm Cracker. ...
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The tag data from these two fish does not correlate with the accepted data..It is said that they live up to 45 years, but the first fish was tagged at about the same size as the second fish was recapped so one can guesstimate pretty accurately. Discounting the time it took the second fish to get to almost a kg, the age of the first fish can then be guessed at least 18 yrs + 17 yrs= 35 yrs old abouts already (but somehow growing at the average rate of 13mm a year???) and it is not yet even of the size of a 20kg fish. And they get to about 35 -40kg maximum. I think that we made a mistake doing ring counting on scales of large specimens in earlier studies and I think the fishes are far more sensitive to fishing than we thought. I think 45 years max is a bit short a count for a fish that is growing at 13mm a year and is already 35 years old on a conservative estimate and still has at least double its size to grow, ja thats my guess. So I think that the tag data from all the tagged fish would change our understanding. Is this species still allowed to be commercially landed?

http://www.heraldlive.co.za/gone-are-old-fishing-days/

Last edited on Fri Aug 19th, 2016 02:53 pm by Dr halibut hoffman

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