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How Old Is A 27 1/4 Inch Male Speckled Trout?

 
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gulftrout
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PostPosted: Wed Jun 19, 2013 6:22 pm    Post subject: How Old Is A 27 1/4 Inch Male Speckled Trout? Reply with quote

I caught four specks today wade fishing. Two were males, with the largest one being one of them. I tried looking up information about the age to size ratio for male trout and the only thing I have found is that virtually all 25" and larger speckled trout are females. This one weighed 6 1/4 lbs. and I guess that makes my trout older than dirt! Very Happy I knew something was up when the large one started "Croaking!" Laughing

Last edited by gulftrout on Wed Jun 19, 2013 6:44 pm; edited 1 time in total
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Chef Lefty
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PostPosted: Wed Jun 19, 2013 6:26 pm    Post subject: Reply with quote

Interesting question. I always wondered too. Can't just count their gill rings? Shocked
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gulftrout
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PostPosted: Wed Jun 19, 2013 6:40 pm    Post subject: Reply with quote

Today I was wading water a lot clearer than yesterday and caught these on three different colors. Two on "Morning Glory/Lime Tail", one on Plum/Chartreuse Tail and one on June Bug/Blue Belly. The first two colors were DIE DAPPER Salt Water Assassin Lures and the June Bug color is a DIE DAPPER Bass Assassin "Bang Lure" enhanced with Liquid Salt. I picked all these up at Roy's a couple days ago. I prefer to use the largest shank hook-jighead available and I was using them in 1/4 oz. size. The biggest speck of the day was the 2nd fish caught and I caught it on Morning Glory. I own a "Big Thanks" to Cliff Webb for showing me how to rig and getting me started, fishing these lures! Wink Smile
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gulftrout
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PostPosted: Wed Jun 19, 2013 6:41 pm    Post subject: Reply with quote

Chef Lefty wrote:
Interesting question. I always wondered too. Can't just count their gill rings? Shocked
I have heard you can check something inside their head for the age, but not sure. Smile
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TXHill
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PostPosted: Wed Jun 19, 2013 6:52 pm    Post subject: Reply with quote

Asked that question on a tour of the Harte Inst. I was told redfish and trout grow and average of 1" per month, both males and females. Jeff Wolda
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ltorna1
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PostPosted: Wed Jun 19, 2013 7:13 pm    Post subject: Reply with quote

Best way to age them is with the ear-stones (otoliths) inside the head. They are floating bones that have rings like a tree trunk. That is a big azz trout mr. gulftrout
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Chef Lefty
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PostPosted: Wed Jun 19, 2013 7:40 pm    Post subject: Reply with quote

ltorna1 wrote:
Best way to age them is with the ear-stones (otoliths) inside the head. They are floating bones that have rings like a tree trunk. That is a big azz trout mr. gulftrout


Luke, very interesting. Any possibility to post an example pic?
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wallhanger
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PostPosted: Wed Jun 19, 2013 8:50 pm    Post subject: Reply with quote

Very descriptive. All reports should be that good. Thanks and great fish.
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ltorna1
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PostPosted: Wed Jun 19, 2013 11:12 pm    Post subject: Reply with quote

Chef Lefty wrote:
ltorna1 wrote:
Best way to age them is with the ear-stones (otoliths) inside the head. They are floating bones that have rings like a tree trunk. That is a big azz trout mr. gulftrout


Luke, very interesting. Any possibility to post an example pic?


See the link below.

This is a picture of what the bone looks like after your remove it from the skull. If you have the right tools (fine diamond saw, dissecting microscope) you can take a cross section of the bone and it looks something like this. This picture was apparently a large trout that was about 9 years old (count the annual rings). The bones themselves will be in the skull behind the eye and buried underneath a thin layer of bone in the skull. Once you break open the bone casing around them you will find that the otolith bones (called "ear stones") float rather loosely in their little capsule in the skull. Without a saw or microscope, you can sometimes hold them up to a bright light and see the rings with your naked eye. It will give you a rough estimate (+/- a few years) on the age of your trout. I am by NO means an expert on this subject, but some of my coworkers are, and they are very adept at aging trout, red snapper, red fish, and others.

http://www.flickr.com/photos/myfwc/5425911714/in/set-72157625872804969
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ltorna1
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PostPosted: Wed Jun 19, 2013 11:32 pm    Post subject: Reply with quote

OK, so apparently the florida fish and wildlife people aged the trout in the linked picture at 12 years. I guess it depends on which ring you start with. told ya I wasn't an expert Wink
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ironmanstan
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PostPosted: Thu Jun 20, 2013 2:50 am    Post subject: Reply with quote

I have some some large ear stones in my shop. Becky of sunnybrooke farms showed me how to get them out. I'm going to my the bride a pair of earings out of one pair. It's pretty amazing that something like that actually grows inside their heads.
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gulftrout
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PostPosted: Thu Jun 20, 2013 4:32 am    Post subject: Reply with quote

Here are the three colors that caught fish yesterday. Cliff explained that you need the long shank lures with these soft plastics. If you use the smaller, short shank hooks(which I normally prefer) the bait may want to spin like a propeller. These baits are pretty soft(that's what gives them the great action) and you probably need the screw type jig head. Smile
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shallowsport
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PostPosted: Thu Jun 20, 2013 5:01 am    Post subject: Reply with quote

Another great post, GT. Sure that your Dad is proud.
Aging, ear stones is right. Slice them, and count the rings, just like a tree.
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Fishwish



Joined: 23 Apr 2006
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PostPosted: Thu Jun 20, 2013 7:08 am    Post subject: Reply with quote

I have a large pdf file that is a study of speckled trout issued by the Gulf States Marine Fisheries Commission that has a section on age of trout. They aged several male and female trout from several different bay systems. The largest male in the study was from Galveston Bay and just shy of 25 inches. They aged the fish at 12 years, In the Galveston system we have been catching some of the largest males we have seen in years. Last month, at the cleaning table, I saw a 25" male that went just a little over 6 lbs. Not sure what's up with all the large males. It has been interesting to catch a large 24" trout that is grunting. No doubt, a 27" male is OLD!
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Chef Lefty
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PostPosted: Thu Jun 20, 2013 1:21 pm    Post subject: Reply with quote

ltorna1 wrote:

See the link below.

This is a picture of what the bone looks like after your remove it from the skull. If you have the right tools (fine diamond saw, dissecting microscope) you can take a cross section of the bone and it looks something like this. This picture was apparently a large trout that was about 9 years old (count the annual rings). The bones themselves will be in the skull behind the eye and buried underneath a thin layer of bone in the skull. Once you break open the bone casing around them you will find that the otolith bones (called "ear stones") float rather loosely in their little capsule in the skull. Without a saw or microscope, you can sometimes hold them up to a bright light and see the rings with your naked eye. It will give you a rough estimate (+/- a few years) on the age of your trout. I am by NO means an expert on this subject, but some of my coworkers are, and they are very adept at aging trout, red snapper, red fish, and others.

http://www.flickr.com/photos/myfwc/5425911714/in/set-72157625872804969


Thank you sir. Very interesting indeed.
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