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Tag Archive | "fish stocking"

Fall fish-stocking creates more angling opportunities


Fish were stocked at 76 different locations around the state last fall. Photo courtesy Michigan DNR.

The Michigan Department of Natural Resources today announced the totals from its 2017 fall fish-stocking efforts. The DNR stocked nine different species totaling 834,175 fish that weighed nearly 11.5 tons. Fish were stocked at 76 locations throughout the state.

“It was another outstanding fall fish-stocking season that will provide enhanced opportunities throughout Michigan,” said Ed Eisch, DNR fish production manager. “When added to our successful spring and summer stocking efforts, that brings the total for 2017 to more than 26.4 million fish put into Michigan’s waters.”

The number and type of fish stocked varies by hatchery as each facility’s ability to rear fish differs because of water supplies and temperature. In Michigan, there are six state and three cooperative hatcheries that work together to produce the species, strain and size of fish needed by fisheries managers. These fish must then be delivered at a specific time and location for stocking to ensure their success. Most fish in Michigan are stocked in the spring.

Fall fish stocking in 2017 consisted of nine species that included brook trout, brown trout, coho salmon, lake trout, Eagle Lake and steelhead strain rainbow trout, lake sturgeon, walleye and muskellunge.

*Harrietta State Fish Hatchery (west of Cadillac) stocked 33,698 fall fingerling Wild Rose strain brown trout weighing 1,625 pounds at one location.

*Marquette State Fish Hatchery (near Marquette) stocked 65,615 fall fingerling and adult brook and lake trout that weighed a combined 4,371 pounds. These fish were stocked at a total of 52 locations.

*Oden State Fish Hatchery (near Petoskey) stocked 135,683 fall fingerling Eagle Lake rainbow trout that weighed 1,577 pounds and three Black Lake strain lake sturgeon weighing 37.5 pounds. Oden stocked four locations with these fish.

*Platte River State Fish Hatchery (west of Traverse City) stocked 134,000 fall fingerling coho salmon weighing 8,466 pounds. These salmon were stocked in Medusa Creek Imprinting Pond in Charlevoix County.

*Thompson State Fish Hatchery (near Manistique) stocked 302,442 fall fingerling steelhead that weighed 3,623 pounds. Thompson stocked six locations.

*Wolf Lake State Fish Hatchery (west of Kalamazoo) stocked three species of fall fingerlings in 2017. These included 150,764 fall fingerling steelhead weighing 2,047 pounds at two locations. Wolf Lake also stocked 1,365 Northern strain muskellunge fall fingerlings that weighed 155 pounds and were stocked at three sites. Lastly, 10,606 Muskegon strain fall fingerling walleye that weighed 1,004 pounds were stocked at six sites.

*Several DNR Fisheries Management Units (Northern Lake Michigan, Lake Erie and Southern Lake Huron) also stocked fall fingerling walleye in 2017. The Northern Lake Michigan Management Unit stocked 2,929 Bay De Noc strain fall fingerling walleye weighing 232 pounds, while the Lake Erie and Southern Lake Huron management units stocked 7,250 Muskegon strain fall fingerling walleye weighing 135 pounds.

The DNR welcomes visitors to its state fish hatcheries and interpretative centers to witness firsthand the fish-rearing process and to learn about Michigan’s waters. For more information, visit michigan.gov/hatcheries.

To find out if any fish were stocked in your favorite fishing spot, visit the DNR’s fish stocking database at michigandnr.com/fishstock/.

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DNR sees success in fall walleye stocking


A healthy fall walleye fingerling, reared in DNR ponds near Belmont in Kent County, is ready to be released into Crystal Lake in Montcalm County. Photo courtesty Michigan Department of Natural Resources.

A healthy fall walleye fingerling, reared in DNR ponds near Belmont in Kent County, is ready to be released into Crystal Lake in Montcalm County. Photo courtesty Michigan Department of Natural Resources.

Fall is harvest time in Michigan, and while most may be thinking of picking apples or plucking pumpkins, Michigan Department of Natural Resources fisheries crews are thinking about walleye.

Specifically, they’re collecting the last of the walleye fingerlings that are raised in rearing ponds for stocking and getting the fish to where they want them to be.

For the most part, walleye are reared for a short period of time in ponds and stocked as spring fingerlings—most at less than 2 inches in length—in high densities. But fisheries biologists know that fall fingerlings can be stocked at much lower densities and produce better results than spring fingerlings.

Volunteer members of the West Michigan Walleye Club lift a fyke net (a bag net for catching fish) of fingerlings out of a DNR walleye pond near Belmont in Kent County. Photo courtesy Michigan DNR.

Volunteer members of the West Michigan Walleye Club lift a fyke net (a bag net for catching fish) of fingerlings out of a DNR walleye pond near Belmont in Kent County. Photo courtesy Michigan DNR.

Recently, DNR technician supervisor Ed Pearce brought his crew (technicians Mike Wilson and Matt Smith) to the state’s walleye ponds near Belmont in Kent County to get the walleye out of the ponds and into a couple of southern Michigan lakes.

A dozen or so members of the West Michigan Walleye Club, who spent the summer babysitting the ponds, assisted the crew in the operation.

“We have found that if we put in fall fingerlings, their survival is very, very good,” said Jay Wesley, the DNR’s Lake Michigan Basin coordinator. “It’s really the key to stocking walleye in southern Michigan. We’ve done it with fry, but it’s really hit or miss.”

Although walleye are much in demand—anglers love them—most southern Michigan waters are not ideal for the fish, which prefer cooler water than most southern Michigan lakes maintain in the summer.

In addition, most lakes have established fish populations that predate heavily upon the tiny walleye. By stocking fall fingerlings, fisheries managers not only enjoy better fish survival but are also more likely to establish fishable walleye populations.

“If we can get a cool-water hatchery facility, our capacity to raise more fall fingerlings would increase,” Wesley said. “Right now, we’re kind of doing it experimentally, pond by pond, but we need a coordinated effort at one hatchery to really get it going.”

At some ponds, crews leave a percentage of the fish there after spring harvest to grow into fall fingerlings. At Belmont this year, production was so poor that fisheries managers decided to leave them all in the pond to grow until fall.

The operation at Belmont consists of three ponds—a fill pond, fed by a natural creek; the walleye pond; and a minnow pond, which is stocked early in the season with fathead minnows that will reproduce and provide forage for the walleye pond.

Members of the club tended the ponds all spring and summer. In spring, they fertilize the ponds to produce the plankton the fry need to survive.

“For six weeks, we put 500 to 600 pounds of fertilizer—a mixture of alfalfa and soy meal—into the ponds to provide the nutrients for the plankton,” said Al Davis, club director. “We started with 100 pounds of minnows in the minnow pond, and we produced more than 400 pounds of minnows this year—and we’ve still got minnows in there.

“We had more than 90 man-hours in just feeding fish and transferring the minnows from the minnow pond to the walleye pond.”

Fall harvest involves lowering the water level to congregate the fish more closely, then installing trap nets to collect them. It takes two days of water-lowering and net-setting to get the bulk of the fish.

Next, the remaining water is drained into what the guys call a “wolf trap”—a concrete and screen box below the pond’s discharge tube—where the remaining fish are entrapped and netted out.

“We’ll get 90 percent of the fish out with the nets, then we’ll seine the wolf trap,” Pearce said. “We’ll get all of those fish.”

Pond production is highly variable, depending largely on environmental factors over which no one has control. The poor production this spring led to a bonanza of fall fingerlings.

“It has been a good year this year,” Davis said, as he handled nets at the recent fingerling harvest. “In 2010, we had a bunch of fish, but a flood came through and blew the dike. The fish all wound up in the Grand River.

“But since 2009, this pond has produced more than 800,000 walleye fry.”

Raising fingerlings is costly and time-consuming. The club chipped in to help defray the cost of fertilizer and provided the bulk of the labor.

Pearce, who praised the club effusively, said the program would be nearly impossible without the club’s assistance.

“These fall fingerlings are worth their weight in gold,” Pearce said. “We use them in lakes that are full of bluegills; bluegills are good predators, so we put them in at a size that they’re not going to get eaten up.”

Fall fingerlings tend to measure 5 to 7 inches. It’ll take about two years for them to recruit into the fishery, when they become legal targets at 15 inches.

Schoolchildren from two nearby schools also attended the first day of the fall fingerling harvest.

For his part, Pearce said the fall fingerling harvest is one of his favorite tasks as a fisheries worker.

“This is enjoyable,” Pearce said. “You’re doing your job, and you’re educating kids, too. These are the days we look forward to.”

Get more information on DNR fish stocking at michigan.gov/fishing.

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