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An Eye Opening Morning at Boyd

by: David Coulson , Colorado 10/18/2012

Occasionally we get the privilege of doing something that is truly eye opening. Such was the case last Tuesday morning at Boyd. Ben Swigle, Colorado Parks and Wildlife Aquatic Biologist for Boyd (and other northern Front Range waters) had called me earlier to see if Id be interested in helping pull the gill nets for this years fish survey at Boyd Reservoir to which I readily agreed.

I met Ben, Aimee Ryel, District Wildlife Officer, and Grant Brown, Boyd Park Senior Ranger around nine that morning at the boat ramp. We all donned either waders or rain gear before heading out, as Ben assured me that wed get well slimed before the morning was done.  He was right about that.

The process is fairly simple. We pulled up one of the buoys marking the nets that were laid out the day before.  Grant and I handled pulling in the net, which has a top floating line, and a weighted secondary line. As the fish were brought on board, Aimee and Ben worked quickly to them free from the net, using, as needed, a tool that looked a bit like a short, bent, dulled ice pick. The fish were then placed in a water filled trough.  Once the net was fully retrieved, Grant netted the fish from the trough and passed them to Ben who weighed and measured them. Aimee recorded the data.  At that point I manned my camera and mostly tried to keep clear of the working folk.  For more information on fish survey techniques, visit the CPW page on the subject.

Fishing Boyd frequently, I have always felt that it is an excellent fishery, in spite of the heavy fishing and recreational traffic. Its no secret that Ben has been working hard to improve the walleye fishery, see the latest Fish Survey and Management Data sheet.  What I wasnt prepared for was not only the numbers, but the quality of walleye that showed in the nets.  Legal walleye, over 15 inches, were common, fish over 20 inches were not rare, and there were several master angler sized fish, including a couple pushing 30 inches and over ten pounds. 

While I expected to see plenty of game fish, I didnt realize that Boyd also has a good population of white suckers, although if Id studied the prior management data sheets earlier, I would have.  And I wasnt expecting to see any black bullhead.  Although Ben did indicate they are fairly common in area waters.  There were gizzard shad to 18 inches, channel catfish to 29 inches, bluegill, crappie, smallmouth (one 16 inch fish), largemouth, yellow perch, rainbow trout, and white bass (one just under 17 inches). After seeing what a net produced, I realized my best days fishing pale in comparison to what the nets caught. 

It was good to see that most of the fish captured were in excellent health, with many downright chunky.  Further, we saw many age classes, especially for the walleye, shad, and white bass, indicating that the walleye stocking is working and that there continues to be solid recruitment for the white bass and shad, the all-important prey base. Although, I note that in the last data sheet white bass have been stocked also. I had expected to see more yellow perch, but the abundant walleye maybe successfully foraging on them. 

It should be noted that while the gill nets are hard on fish and some fish are killed, there is little wasted.  Top end predators that can't be released, such as walleye are saved and sent to Colorado Health for mercury testing.  Legal fish were also offered to anglers. It should be noted that CPW personal are not permitted to keep fish due to perceived conflicts of interest.  I turned down the opportunity for a walleye, simply because I needed to get back to work and couldn't properly care for them.

The bottom-line, Boyds fishery looks to be surviving the drought in good shape.  So barring another low water year and/or a winter-kill this winter (not likely unless we get a long period of heavy snow over the top of the ice), it looks like Boyd will continue to be an outstanding fishery, especially a walleye fisher, in the future.

If you ever get the opportunity to assist CPW with their sampling efforts, do so.  I suspect it will be an eye opener for you also.

Ben and AimeeWeighing a fishNetting fish to be measuredNow that`s a shadNice smallie
Pair of trophy walleyeA walleye had this stocker sized rainbow in its throatNow that`s a catfishAnother beautiful walleye that`s just waiting to get caughtLovely day, gorgeous colors at grebe central
Blog content © David Coulson
Member comments
Tbubb, CO   10/18/2012 4:04:09 PM
Thanks for bringing some light to this process. It was an interesting read.
 
alanlf5280, CO   10/18/2012 4:11:54 PM
Sign me up! I'd love to get out on the boat and see how this is done.
 
JKaboom, CO   10/18/2012 4:41:36 PM
Dave, Thank you for explaining the whole process many fisherman think something totally different. I know that they do not try to harm the fish and some do die but I had no idea about sending big ones for Mercury levels, giving some to licensed anglers that did not make it, etc. Very good learning experience with great links too :)
 
regulatedhobbyist, CO   10/19/2012 1:55:01 AM
So just curious. How DO you sign up to help with the surveys?
 
Bassackwards, CO   10/19/2012 3:44:06 AM
man I wish I would of known this, I could"ve really used some of those suckers.
 
ObsessedFisherman, CO   10/19/2012 7:52:51 AM
Very cool and good to know what is happening from the inside.
 
David Coulson (Flyrodn), CO   10/19/2012 8:39:37 AM
Not sure how you sign up specifically to assist with a survey. In this case I think Ben was running out of options and remembered I fish Boyd at lot and gave me a call or he checked with Matt first, a better option for a good worker, and he told Ben he should consider calling me. Either way, I got asked. At the top of the CPW web page, which takes you here. http://wildlife.state.co.us/Volunteer/Pages/Volunteer.aspx There are plenty of opportunities to assist/volunteer. I also recommend you get to know the personnel at CPW, It's easy. Visit them at the area offices, talk with them in the field, stop by the booths at shows and visit. I know Ben, Aimee, Kurt Davies, and Ken Kehmeier along with others were all at last years Larimer County Fisherman's Expo. That way you can keep in touch with what is going on. They are all good folks.
 
fishmohr, CO   10/19/2012 5:41:34 PM
You never know what will be found in a net. Seveal years ago we pulled a 22 pound tiger muskie out of Chatfield during the walleye spawn. Thanks for helping pull the nets!
 
Fishful Thinker, CO   10/19/2012 11:34:59 PM
Done this with CPW a bunch and it's ALWAYS eye-opening...there are many, many much bigger fish than we catch, I promise you that! The net work is humbling to us anglers, eh Dave?
 
David Coulson
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