Volume 1, Issue 1 Management Crew Volume 1, Issue 1 “From the Bighorns to the Black Hills” May 2004
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Sheridan Fish Volume 1, Issue 1 Management Crew Volume 1, Issue 1 “From the Bighorns to the Black Hills” May 2004 Wyoming Game and Fish Department “Conserving Wildlife - Serving People” Inside this issue: Greetings From Your Fish Management Team Walleye & DeSmet 1-2 Welcome to the first angler newsletter for and largemouth bass, sunfish, northern pike, Northeast Wyoming! We hope you find it walleye and tiger muskie. Story Hatchery changes 3 informative and interesting and we look for- ward to hearing from you. Through this and future newsletters we’ll be Muddy Guard #1 plans 3 highlighting many of the more popular fish- Our region covers all of the northeast corner ing spots you’re familiar with, as well as the LAK Reservoir update 4 of Wyoming; over 18,000 square miles in work we do with Wyoming’s lesser known Sheridan, Johnson, Campbell, Crook, Wes- but important native fish. Staying legal 4 ton, Niobrara, Natrona and Washakie Coun- ties. Major drainages are the Little Bighorn, It’s all part of our mission and we want to Keyhole Reservoir news 5 Tongue, Powder, Little Powder, Little Mis- tell you about it. So again, welcome, and by souri, Belle Fourche, and Cheyenne. all means please let us know what you think Special regulations 5 about our newsletter. One reason we are so excited about working North Tongue & Bull 6 here is the tremendous diversity of fish and To reach us by phone, Call 307-672-7418 Creek fishing opportunities. There are some 3,000 and ask for one of the fisheries biologists. stream miles and 19,000 surface acres sup- To send us a letter or email, please see the Cloud Peak Wilderness 6 porting everything from cold water fish in back page of this newsletter. stocking the high mountain lakes, to warm water spe- The Powder River 7 cies in the prairie lakes and streams. Happy fishing! Contact us 8 These waters support 7 native game fish spe- cies and 19 native non-game fish species. In Wyoming/Montana 4-H Fishing Camp! addition to the natives, there are 27 different introduced fish species, most of which are For kids 12-17 years old. July 19-22 at the game fish, such as rainbow, brown, brook, Johnson County Youth Camp. Call 307-766- 5679 or 406-994-3501 for details. splake, lake and golden trout, smallmouth Walleye In Lake DeSmet: Why Not? Special points of interest: Since 1991, the year we dis- Like all predators, they re- about every fish around, and covered walleye had been quire more and larger forage aside from a few lucky • 4-H Kids fishing camp illegally transplanted into as they mature. A 21 inch birds, mammals, and peo- Lake DeSmet, we’ve been walleye can eat another fish ple, not much else preys on • Meet the crew asked this question. And 1/3 it’s body length (7 inch them. the answer comes down to stocked trout goes down • Free Fishing Day biology and habitat. nicely). A trout is the ice Because of their feeding crème cone of a walleye diet habits, a key to supporting a Young walleye forage on compared to eating a deep good walleye fishery is an • Dates to remember zooplankton and insects un- bodied, spiny-rayed perch. abundant fish forage base. til they are about 4-5 inches, • Powder River and its fish but switch to larger forage, If they survive, they become Spawning is another critical such as small minnows, as apex predators, meaning element. Walleye spawn • Contact us! they grow. that as adults they eat just (Continued on page 2) Page 2 Volume 1, Issue 1 (Continued from page 1) Free Fishing Day 2004 Lake DeSmet is low on the scale over clean, well-washed cobble- sized substrate. A large female of biological productivity with walleye is a prolific spawner, its average depth of 62 feet of The 2003 Wyoming Legislature capable of producing up to cold water, steep drop-offs, sco- approved an annual Wyoming Free 300,000 eggs. ria substrate, paucity of sediment Fishing Day, to be designated by the and vegetation, and few shallow Wyoming Game and Fish Commission. bays. While Lake DeSmet has an abundance of what appears to be good walleye spawning habitat, For trout however, Lake DeSmet The Commission then declared June 5, we have not seen a lot of small is considered relatively produc- 2004 as Free Fishing Day to coincide walleye. Annual netting surveys tive – to a point. with the beginning of the National help us monitor these popula- Fishing and Boating week for the next tions. The open clear water allows 2 years. good light penetration, essential However, we remain concerned for producing the microscopic that only moderately successful phytoplankton that zooplankton As a result, residents and nonresidents reproduction at Lake DeSmet feed on. may fish in Wyoming without a fishing could result in a burgeoning license or conservation stamp (except walleye population that could in In turn, zooplankton supports on the Wind River Indian Reservation turn consume a major portion of this trout fishery. But, a zoo- the 150,000 5-7 inch trout that plankton diet limits a trout’s and Yellowstone National Park). are stocked annually. ability to grow much larger than 18 inches. But remember, all other fishing Lack of a sustainable fish forage regulations and limits apply, so be sure base could lead to slow growth, While DeSmet appears on the and look at the regulations before you smaller size and, eventually, a surface to be a potential walleye population dominated by stunted gold mine --- under the surface head out. walleye. the biological story says other- wise. So, plan your family reunion for June 5 and add fishing to the festivities “Lake DeSmet provides NE Wyoming anglers with an excellent trout fishery” “A 21 inch walleye can eat another fish 1/3 it’s body length” “If walleye become well established in Lake DeSmet, we are concerned that anglers would experience a fishery with a few really nice (well fed) walleye, for a while --- until the stocked trout are gone” Pulling a beach seine at the South end of Lake DeSmet Volume 1, Issue 1 Page 3 Changes At Story Fish Hatchery Operations have changed at Story Fish 75,000 Eagle Lake rainbow trout will be the Hatchery in the past few years in response to only stocking done by Story Hatchery per- concerns about whirling disease. Since the sonnel in 2004. All other area stocking will hatchery water supply originates from South be done by other hatcheries around the state. Piney Creek instead of a spring or a well, the Because of the longer travel distances for the possibility of this disease occurring in the other hatcheries, fish will not be stocked as drainage and subsequently at the hatchery frequently, but the total numbers of fish has altered the way we operate. The disease stocked will remain consistent with what has not been found to exist in the drainage or Story hatchery has done in the past. Story Hatchery Superintendent Dave Ackerman with an Eagle at the hatchery to date, but the Game and Lake rainbow trout spawner at Fish Department has opted to err on the side What does this mean for the fisherman? Story Hatchery of caution where this disease is concerned. Studies have shown that catch rates of stocked fish peaks within a few weeks of “(whirling disease) In line with this decision has been a shift stocking and then gradually decreases. This has not been found from fish stocking emphasis at the hatchery is especially true for small impoundments or to egg rearing activities. The hatchery has ponds. The reasoning behind frequent stock- to exist in the always supplied lake trout eggs for in-state ing is to provide more consistent fish catch- drainage or at the needs and for trades to other states for wall- ing opportunity for anglers throughout the hatchery” eye, catfish and bass. Hatchery personnel fishing season. Less frequent stocking will take around 1.3 million lake trout eggs each result in more angler effort needed to catch “Story Hatchery fall. Development of an Eagle Lake Rain- fish. Every effort will be made to stock fish bow trout brood stock began two years ago at as frequently as is possible from distant has traditionally Story. In the spring of 2004, hatchery per- hatcheries. supplied most of the sonnel will take approximately 1.1 million fish stocked in the rainbow trout eggs. Story Hatchery remains a very popular tour- Sheridan and ist destination, with around 20,000 visitors Buffalo areas” Story Hatchery has traditionally supplied each year. In 2003 - spring, summer, and fall most of the fish stocked in the Sheridan and staffing for the hatchery visitor center was Buffalo areas along with northeast Wyoming eliminated due to budgetary constraints. The “numbers of fish waters. The hatchery has raised 250,000 – same applies for 2004. Hatchery personnel stocked will remain 300,000 fish for stocking purposes each year. will make every effort to provide information consistent with what and give tours when workloads allow, but the Story hatchery has With the relatively close proximity of the regular visitor center staff will not be avail- hatchery to area waters, personnel were able able for scheduled tours or to answer ques- done in the past” to stock fish at frequent intervals when water tions. temperatures permitted. Spring stocking of Making Big Fish At Muddy Guard #1 (we hope!) While big fish and lots of ‘em isn’t pos- suckers have become dominant and may sible everywhere, we think we can do be limiting trout growth.