Lake stocking report

Portsmouth Mine (18043700)

Fish Stocked by Species for the Last Ten Years

Year	Species	Size	Number	Pounds
2024	Rainbow Trout	yearlings	7,000	2,413.8
2023	Rainbow Trout	adults	92	482.8
	Rainbow Trout	yearlings	7,000	2,413.8
2022	Rainbow Trout	adults	36	238.0
	Rainbow Trout	yearlings	7,000	2,333.3
2021	Rainbow Trout	yearlings	7,000	2,333.3
	Rainbow Trout	adults	59	491.7
2020	Rainbow Trout	yearlings	7,000	2,500.0
	Rainbow Trout	adults	54	238.4
2019	Rainbow Trout	yearlings	7,000	2,258.1
	Rainbow Trout	adults	71	424.4
	Rainbow Trout	adults	45	145.2
2018	Rainbow Trout	yearlings	7,000	2,583.0
2017	Rainbow Trout	yearlings	7,000	2,680.2
2016	Rainbow Trout	yearlings	7,000	2,333.3
2015	Rainbow Trout	yearlings	50	37.9
	Rainbow Trout	fingerlings	300	82.2
	Rainbow Trout	yearlings	7,000	2,592.6

Stocking Notes
1 - indicates fish purchased and stocked by private citizens and sporting groups.
2 - indicates fish purchased by the DNR for stocking.
3 - indicates fish cooperatively purchased, raised, and/or stocked by Leech Lake Band of Ojibwe.
4 - indicates fish cooperatively purchased, raised, and/or stocked by Mille Lacs Band of Ojibwe.
5 - indicates fish cooperatively purchased, raised, and/or stocked by Red Lake Nation.
6 - indicates fish cooperatively purchased, raised, and/or stocked by White Earth Nation.
7 - indicates fish cooperatively purchased, raised, and/or stocked by State of South Dakota.
8 - indicates fish cooperatively purchased, raised, and/or stocked by U.S. Fish and Wildlife Service.
9 - indicates fish cooperatively purchased, raised, and/or stocked by DNR and other agencies (state, federal or tribal) or sporting groups.

Stocking Fish Sizes
Fry - Newly hatched fish that are ready to be stocked usually called "swim-ups". Walleye fry are 1/3 of an inch or around 8 mm.
Fingerling - Fingerlings are one to six months old and can range from a size of one to twelve inches depending on the species. Walleye fingerlings range from three to eight inches each fall.
Yearling - Yearling fish are at least one year old. A one-year-old fish can range from three to twenty inches depending on the species. Walleye yearlings average from six to twelve inches.
Adult - Adult fish are fish that have reached maturity. Depending on the species, maturity can be reached at two years of age. Walleye reach maturity between the ages of four and six years.