Fish Science: New Research, Explained
Recent fisheries and aquatic-ecology studies, read closely and summarized for anglers. What the research actually found, the catch, and what it means on the water.
Wildfire Smoke and Crowds: Do Anglers Still Go?
A Wyoming angler survey found wildfire smoke and crowding most likely to cancel fishing trips. See what the study did and didn't find about fishing and smoke.
October 9, 2026 · 3 min read
Yellow Perch Size in Wisconsin Lakes: Study Results
A study of 31 Wisconsin yellow perch populations found many grew slowly. See which size numbers the authors say mark big yellow perch lakes.
October 9, 2026 · 4 min read
Smallmouth Bass in Spring vs Fall: What Changes
A two-year Nebraska reservoir study found smallmouth bass size structure shifts by month, with bigger fish more common in spring samples. Here's what it means for you.
October 2, 2026 · 3 min read
How to Release a Trout So It Actually Survives
A Quebec study held released Brook Trout in cooler water for five minutes to test whether it speeds recovery. It didn't, but handling time alone changed how the fish behaved.
September 25, 2026 · 4 min read
Zebra Mussels and Mercury in the Fish You Eat
A 357-lake Minnesota study found mercury rising in Walleye, Northern Pike, Black Crappie, and Bluegill after zebra mussel invasion, though panfish stayed under guidance thresholds.
September 25, 2026 · 4 min read
Bass Tournament Mortality and Fish Populations
A 5-year Iowa study tracked bass tournament mortality directly, tagging thousands of Largemouth Bass to see whether it actually shrinks the lake population.
September 18, 2026 · 3 min read
Panfish Bag Limits vs. Fish Biology: New Study
A new model comparing 517 fish population estimates found panfish bag limits often run high relative to biology, while black bass and trout limits often run low.
September 11, 2026 · 4 min read
Is It Safe to Eat Fish With PFAS? New Study
A New Mexico study tested PFAS in fish you catch, walleye, pike, bass, crappie, and carp, and found the highest levels concentrated in liver, not fillet.
September 11, 2026 · 4 min read
Chinook Salmon Habitat Restoration: New Data
A 7-year radio-tagging study found restoring one Oregon river confluence could raise Chinook salmon survival 69% in one stream, cut it 38% next door.
September 4, 2026 · 4 min read
Forward-Facing Sonar for Bass: Does It Help?
A summer-long controlled study on Wisconsin smallmouth bass found forward-facing sonar anglers caught fewer fish per day, though slightly bigger ones.
September 4, 2026 · 3 min read
Brook Trout Temperature Preference: New Study
A new acoustic tagging study found brook trout temperature preference isn't fixed, and larger fish rack up less summer heat exposure than smaller ones.
August 28, 2026 · 3 min read
Recreational Fishing Harvest: What a New Study Found
A new nationwide model estimates U.S. anglers' recreational fishing harvest from inland lakes runs 17 to 48 times higher than official reported numbers show.
August 28, 2026 · 3 min read
San Francisco Bay Algae Bloom Fish Kill Explained
A new study tallies the 2022 San Francisco Estuary algae bloom that killed sturgeon and striped bass, using public sighting reports. Here's what it found.
August 21, 2026 · 4 min read
Summer Trout Fishing: Best Depth When Lakes Warm Up
A Japanese lake study tracked kokanee and trout by eDNA to find summer trout fishing depth shrinks to under two meters as oxygen drops. Here's the takeaway.
August 21, 2026 · 3 min read
Bass Fishing Decline: What a New Study Found
A new survey of anglers on eastern Ontario lakes found consistent reports of fewer and smaller bass since 2005. Here's what the study actually found.
August 14, 2026 · 4 min read
Crappie Catch-and-Release: The Ice Fishing Depth Limit
A new depth study on ice-angled Black Crappie found catch-and-release survival drops sharply beyond about 8 meters. Here's what the data actually shows.
August 7, 2026 · 3 min read
Catch and Release Tips for Hot Weather Fishing
Minnesota DNR is logging fish kills statewide amid record heat. Here's what the temperature thresholds mean for catch and release fishing this summer.
July 31, 2026 · 3 min read
Best Lures for Stained, Murky Water Fishing
A survey of hundreds of lakes finds stained water favors pike and walleye, while clear water favors trout and bass. Here's what that means for lure choice.
July 31, 2026 · 4 min read
Do Fish Attractors Work? A 9-Year Study Says Yes
A 9-year Wisconsin DNR experiment added sunken trees to one lake and tracked the fish community for years after. Here's what actually changed, and what didn't.
July 24, 2026 · 3 min read
Westslope Cutthroat Trout Conservation: What Data Shows
A four-generation genetic study of Westslope Cutthroat Trout in Cherry Creek, Montana found some source populations thrived and others faded. Here's why.
July 24, 2026 · 3 min read
Signs of a Healthy Fishing Lake, Backed by Data
Minnesota surveyed 908 lakes over a decade. The healthiest ones share three traits, and they're the same lakes holding walleye, pike, and muskie.
July 17, 2026 · 3 min read
Should You Release Big Fish? What a 1M-Catch Study Says
A 14-year study of over a million catches found anglers release more fish than ever. So should you release big fish? The largest are still the ones getting kept.
July 17, 2026 · 4 min read
Yukon Chinook Salmon Decline: What New Data Shows
A new life-cycle model links Yukon River Chinook salmon declines to a Bering Sea marine heatwave, not overfishing. Here's what the data shows.
July 17, 2026 · 4 min read
Fishing Pressure vs Warming: Which Hurts Fish More?
A 41-year study of Minnesota and Wisconsin lakes found fishing pressure outweighs warming for most fish populations. Here's what that means for anglers.
July 13, 2026 · 3 min read