Unexpectedly, Cathlamet The Top Station In 2018 Pikeminnow Reward Fishery

Updated 1:41 p.m., Oct. 3, 2018

Turns out, it was a good year for Cathlamet’s M.D. Johnson and his granddaughter to dabble in pikeminnow fishing.

They tried their hand catching the Columbia River species for cash, making $85 in fairly short order.


“A little off pace for the coveted $100 large,” the Northwest Sportsman writer emailed me in July, “but who knows. I might hit a hot streak.”

True, that’s a far cry from how good the top rods did on the Lower Columbia, but as it turns out, the waters down here were 2018’s unexpected hot spot.

“It is the first time in the Pikeminnow Program’s 28-year history that the Cathlamet station has been the number one location,” noted Eric Winther, who heads up the state-federal effort aimed at reducing predation on salmonid smolts. “Just when I thought I had it all figured out.”

The season wrapped up this past Sunday for the year with 25,135 pikeminnow turned in at the Wahkiakum County seat — a whopping 8,000 more than any previous year back through at least 2000, and nearly as many as 2017 and 2016 combined.

The Snake River’s Boyer Park station produced the second most, 22,950, a bit of a dip over the previous season, but notably, catch at the third-place station, The Dalles, was less than half of 2017’s, with just 22,461.

Cathlamet accounted for 14 percent of the overall catch of 180,309 pikeminnow this year, a bit above average over the average since the program began in 1990.

Winther says that pikeminnow anglers do best in low-water years, but this season began with high flows. The Dalles got off to a very slow start after the program opened in May due to spring runoff that tamped down catch rates at traditionally the best station and led to its regulars fishing elsewhere.

“Despite less favorable river conditions, fishing success was slightly better this year — 7.5 catch per unit effort vs. 7.4 in 2017), although overall effort was down about 2,000 angler days,” he says. “Basically, even though there were some challenging river conditions early in the season, there were also some opportunities, especially in the lower river below Ridgefield and near the Cathlamet station.  All in all, a good solid year, slightly above average.”

So what the heck did make the Lower Columbia so good for anglers?

“My theory on the increased Cathlamet pikeminnow catch is this:  We had a long, hot, dry summer, as you know,” Winther says. “Tributaries in the Lower Columbia were lower and warmer than usual and oxygen levels were also likely lower than normal. This made many of the tribs somewhat inhospitable for both northern pikeminnow and for the many critters that they eat (crayfish, etc.).  Since a lot of our catch from that location was smaller northern pikeminnow, I think that maybe there were a bunch of those tributary pikeminnow that dropped down into the mainstem.”

He notes that August and September are usually the best months on the lower river and that top anglers typically target specific hot spots during peak months.

“We also had a lot of effort at Cathlamet in 2018 and many of our regular anglers had their best ever harvest totals this year. In the end, I think that maybe 2018 river conditions just brought a lot of our top 20 anglers to the lower river at the same time of year as when a lot more of these tributary pikeminnow had dropped into the Columbia. Then high catch rates begot more effort which resulted in even higher catch rates and more effort,” Winther theorizes.

Changes at Boyer Park also pushed its regulars to fish elsewhere and that probably helped too, he thinks.

Average daily catch for registered anglers across all stations was 7.5, with Ridgefield leading with 15.9, followed by Lyons Ferry, 10.9, Rainier and Boyer Park tied at 10.1, Beacon Rock, 9.6, and Cathlamet, 9.0.

The Pikeminnow Sport Reward Program pays anglers from $5 to $8 per qualifying fish, with $500 for tagged ones.

The season’s top moneymaker earned $70,949 by turning in 8,686 pikeminnows. The second highest tally was $49,529 for a fisherman who brought in 5,898.

Program managers remind registered anglers that they should turn in their vouchers by Nov. 15 to receive payment for their catches.

Records also show that fishermen incidentally caught 15,094 smallmouth, 10,527 yellow perch, 5,510 catfish and bullheads, and 1,297 walleye. The upper Snake pools were best for bass, the Lower Columbia was tops for yellowbellies, the Richland area was best for whiskerfish and John Day area was best for ‘eyes.

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