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New state, possible world record mountain whitefish caught on Deschutes River
Avid Bend catch-and-release fly fisherman almost didn't keep it
BEND, Ore.—Alex Dietz of Bend was fly fishing with an egg pattern on the Deschutes River outside Warm Springs on Dec. 19, 2021 when he hooked a 5 pound 12 oz, 24-inch long mountain whitefish with a 14 inch girth.
"My fishing buddy Jason Schreiber saw that I had a big fish on and came over to check out what was going on," Dietz explained. "We took pictures of it and kind of laughed about it for awhile.
I was getting ready to let the fish go when we realized this thing could be a state record."
Dietz is almost exclusively a catch and release angler—but he kept this fish, bringing it to Newport Avenue Market in Bend for an official weigh-in on an Oregon Dept of Agriculture scale as required under the record rules.
ODFW certified the fish as the new state record mountain whitefish on Jan. 7, 2022 (beating the previous record, a 4 lb 14 oz mountain whitefish caught at Crane Prairie Reservoir in 1994 by Roger A Massey).
The mountain whitefish might actually be a world record as the current record is a 5 lb 8 oz whitefish taken by Albert Woo in 1995 from Albert's River near Calgary according to the International Game Fish Association. Dietz is submitting the information to the IGFA to be certified.
Dietz grew up in Bend and has been fishing since he was in high school. He usually targets trout and steelhead and again, releases just about everything he catches. This record fish is being taxidermized for display at his home.
Beating the record is extra special because Dec. 19 was the first time he'd been fishing since he and his wife Andrea welcomed their first child, a baby girl, on Nov. 15, 2021.
"December 19 was the first time I got the green light from my wife to go fishing, so big thanks to her too," Dietz said.
Mountain whitefish are a native migratory fish in Oregon and are distributed throughout most the Western United States and Canada. These fish are typically found in cool mountain streams, but also occur in lakes. Mountain whitefish have a subterminal mouth which helps them feed on a variety of food items that occur on the bottom of streams such as immature mayflies, stoneflies, and caddisflies, which the Deschutes River has in abundance.
"We have known for a long time that the lower Deschutes River has an abundance of mountain whitefish which anglers frequently catch while angling for trout," said Jason Seals, ODFW Deschutes District Fish Biologist. "However, we never suspected that the Deschutes could have the state and possible world record mountain whitefish so this was a great surprise."
Michelle Dennehy, (503) 931-2748, Michelle.N.Dennehy@odfw.oregon.gov