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Is the Increasing Popularity of Alligator Gar Fishing threatening the resource?

Posted on 6/16/17 at 12:09 pm
Posted by Bleeding purple
Athens, Texas
Member since Sep 2007
25315 posts
Posted on 6/16/17 at 12:09 pm
I can remember people catching and eating gar since I was a little kid. However, the popularity of trophy hunting/fishing has seemingly increased greatly in the last 5-10 years. This seems to be even more associated with bow fishing where a catch and release is obviously impossible. I think social media and outdoor Television shows have created this increased popularity.


Considering the slow growth to larger sizes I wonder what the future holds for those trophy hunters and for the resource as a whole.

quote:

Young alligator gar apparently grow very fast; in Sam Rayburn Reservoir, Texas, fish thought to be young-of-year in 1965 averaged 1.1 kg by July 30 and 2.9 kg by October 6 (Toole 1971). Growth of older fish is much slower, taking about 10 years to attain a total length of 1 m and 30 or more years to reach a length of 2 m (Figure 1). Alligator gar mature between 950 and 1,400 mm total length (at age 10-14), with males maturing earlier than females (Ferrara 2001; Garcia de Leon et al. 2001). Although young fish grow fast, alligator gar are believed to be long-lived. Ferrara (2001) estimated annual survival of adult alligator gar exceeded 90% and found fish up to age 50 in an Alabama population receiving little harvest. However, maximum age of a heavily-exploited population in Lake Pontchartrain, Louisiana was only 28 years. Maximum age of alligator gar in Lake Texoma, Oklahoma, was recently estimated to be greater than 30 years (E. Brinkman, Oklahoma State University, personal communication). Length-
3
weight relationships for male and female alligator gar are similar (log10 W = 3.176 log10 L – 2.540; Garcia de Leon et al. 2001).
Relative to other gar species, alligator gar have the greatest capacity to overcome complete or partial year-class failures because they mature at the oldest age, are the most fecund, and have the highest adult survival (Ferrara 2001). However, low intrinsic rates of population increase indicate alligator gar are vulnerable to over-exploitation. Marine researchers have recommended setting the target levels of exploitation at < 10% for species similar to alligator gar that are long-lived and have very low rates of natural mortality (Walters and Pearse 1996; Codling et al. 2005). Ferrara (2001) postulated that mid-size adult alligator gar had the greatest influence on population growth rate and should be protected; limited harvest of older fish (> 25 years) did not cause population growth rates to decline substantially. Occupation of shallow spawning areas makes alligator gar highly vulnerable to sight fishing techniques such as bow fishing during spring and early summer. Male alligator gar may be especially vulnerable, because it is thought that they remain in the spawning area for extended periods (Suttkus 1963; Garcia de Leon et al. 2001).



Life History and Status of Alligator Gar
quote:

Atractosteus spatula, with Recommendations for Management
Prepared by:
David L. Buckmeier
Heart of the Hills Fisheries Science Center
Texas Parks and Wildlife Department, Inland Fisheries Division
5103 Junction Highway
Mountain Home, TX 78058
July 31, 2008





N.B. I am in no way trying to trying to disparage any gar fisherman. Just sparking a little discussion.
Posted by stewie
Member since Jan 2006
3951 posts
Posted on 6/16/17 at 12:13 pm to
Fun Fact: As with tarpon, gar are more closely genetically related to people than other species of fish.

LSU did a report a few years ago showing the very real decline in alligator and spotted gar populations.
Loss of habitat being the primary concern.
Posted by johnnydrama
Possibly Trashy
Member since Feb 2010
8710 posts
Posted on 6/16/17 at 12:13 pm to
Gar scare the shite out of me so I'd be perfectly happy to see them go away.
Posted by StrongBackWeakMind
Member since May 2014
22650 posts
Posted on 6/16/17 at 12:15 pm to
Doesn't prove anything one way or the other, but I see them all the damn time when I'm bowfishing. Doing fine in my neck of the woods.
Posted by lsupride87
Member since Dec 2007
95358 posts
Posted on 6/16/17 at 12:18 pm to
My dad gets pissed off at least once a trip when a gar takes his brush hog So he won't shed a tear for them
This post was edited on 6/16/17 at 12:19 pm
Posted by jdavid1
Member since Jan 2014
2466 posts
Posted on 6/16/17 at 12:26 pm to
God damn bootlegger taking all the gar.
Posted by Clyde Tipton
Planet Earth
Member since Dec 2007
38741 posts
Posted on 6/16/17 at 12:27 pm to
They were spawning on Toledo about 2 weeks ago. We kept hearing thrashing on the bank that was way bigger than carp.

I trolled over there and as I was trying to determine what was making the noise a 5 footer came sliding by my boat into the orgy. The fish was at least 5' long, probably 10 to 12" wide and I'd guess near 100 lbs.

The more we watched they were porpoising for air and shaking the flooded bushes like crazy. I guess one would lay eggs and the males would all charge in and inseminate.

It was a pile of at least 6 or 7. All of them beast around or over 100 pounds.
This post was edited on 6/16/17 at 12:28 pm
Posted by Bleeding purple
Athens, Texas
Member since Sep 2007
25315 posts
Posted on 6/16/17 at 12:31 pm to
quote:

but I see them all the damn time when I'm bowfishing.



But numbers don't always equate to trophy size.

A 2 meter (6.4 ft) fish takes 30 years to grow. An exceptional 8 to 10 ft fish may take 50 years. I wonder if old "record catches" will ever be broken if there is large increase in pressure on the 4-6 ft fish.
Posted by Chuker
St George, Louisiana
Member since Nov 2015
7544 posts
Posted on 6/16/17 at 12:39 pm to
quote:

But numbers don't always equate to trophy size.




Also, most people assume any gar is an alligator gar when what most people are seeing is spotted or shortnose gar. After talking with a fisheries guy I no longer shoot alligator gar when bowfishing--especially a large one. I would have to have a better reason than a photo op to kill a fish that is 50+ years old.

Cat island refuge it is illegal to kill an alligator gar there. I believe bowfishing has also been eliminated to try and protect them.
This post was edited on 6/16/17 at 12:41 pm
Posted by bootlegger
Ponchatoula
Member since Dec 2012
5337 posts
Posted on 6/16/17 at 12:49 pm to
Hey now, we eat em!


But this is exactly why we don't use stainless hooks- allows for release if we catch something we deem not worthy of keeping.
Posted by LSUballs
RayVegas LA
Member since Feb 2008
37760 posts
Posted on 6/16/17 at 12:50 pm to
I do my part by bashing every one I catch about the head with a boat paddle and slinging the nasty bastards up on the bank. I would not shed a tear if they went extinct.
Posted by MWP
Kingwood, TX via Monroe, LA
Member since Jul 2013
10443 posts
Posted on 6/16/17 at 12:52 pm to
quote:

I do my part by bashing every one I catch about the head with a boat paddle and slinging the nasty bastards up on the bank. I would not shed a tear if they went extinct.



Them and grinnels should meet the same fate.
Posted by Clyde Tipton
Planet Earth
Member since Dec 2007
38741 posts
Posted on 6/16/17 at 12:53 pm to
quote:

I do my part by bashing every one I catch about the head with a boat paddle and slinging the nasty bastards up on the bank.


Agree on needle nose gar, not so much on alligator gar.
Posted by LSUballs
RayVegas LA
Member since Feb 2008
37760 posts
Posted on 6/16/17 at 12:54 pm to
quote:

Them and grinnels should meet the same fate.



Yep. Bash and leave for dead or trade for some black poon. I have a soft spot in me heart for Goo though. I'll throw those back if I don't trade for black poon.
Posted by upgrayedd
Lifting at Tobin's house
Member since Mar 2013
134865 posts
Posted on 6/16/17 at 1:02 pm to
I remember when the noodling craze started, all the biologists were screaming that they were decimating the catfish population.
Posted by BRgetthenet
Member since Oct 2011
117720 posts
Posted on 6/16/17 at 1:03 pm to
quote:

gar



Do not want
Posted by BRgetthenet
Member since Oct 2011
117720 posts
Posted on 6/16/17 at 1:04 pm to
quote:

black poon



Really do not want.
Posted by Clyde Tipton
Planet Earth
Member since Dec 2007
38741 posts
Posted on 6/16/17 at 1:14 pm to
quote:

Bash and leave for dead or trade for some black poon. I have a soft spot in me heart for Goo though. I'll throw those back if I don't trade for black poon.



Posted by MWP
Kingwood, TX via Monroe, LA
Member since Jul 2013
10443 posts
Posted on 6/16/17 at 1:17 pm to
quote:

trade for some black poon


I will leave that for ya'll Rayvegas hands.
Posted by choupiquesushi
yaton rouge
Member since Jun 2006
30596 posts
Posted on 6/16/17 at 1:18 pm to
bowfishing has a serious impact.. couple years ago i saw about a dozen over 100lbs stacked up by a dumpster in myrtle grove...... guys were bragging about saving "good" fish....

gar especially alligator eat mostly bait fish.... not game fish
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