Fish of the Week!

Latest Episodes:

Atacama Trench Snailfishes VS Abyssal Plains Assfishes! May 25, 2026

Show notes

The scene is set: two neighbors with very different ways of living. One is large, long-lived, free-to-roam, blimp-like. The other: small, shorter-lived, confined, butter-like. These are the people's fish, occupying international waters and places on earth that are quite impossible for us to truly experience from the perspectives of these amazingly adapted, beautiful fish. Get to know the "albatross" of the abyssal plain, the unfortunately (or fortunately?) named Robust Assfish, AND the Atacama Trench Snailfishes in our first ever compare and contrast episode.

Our guest, Dr. Thom Linley, is Curator of Fishes at the Museum of New Zealand Te Papa Tongarewa and co-host of The Deep-Sea Podcast.

Other episodes you might like:

S3:E25 - Mariana Snailfish: Trench Fish Extraordinaire
S4:E13 - The Unassuming Bony-eared Assfish!

Read more:

Fishes of the hadal zone including new species, in situ observations and depth records of Liparidae: https://www.sciencedirect.com/science/article/pii/S0967063716300656

Independent radiation of snailfishes into the hadal zone confirmed by Paraliparis selti sp. nov. (Perciformes: Liparidae) from the Atacama Trench, SE Pacific: https://link.springer.com/content/pdf/10.1007/s12526-022-01294-0.pdf

Gilt Darter Complex: Discoveries in Biodiversity May 18, 2026

Show notes

Get to know the Gilt Darter complex! Katrina and Guy are joined by two guests from Yale University's Department of Ecology and Evolutionary Biology: Tom Near and Julia Wood. They imagine sitting down with the five species (Gilt, Masquerade, Brassy, Western Gilt, and Russet Darters) over dinner to understand the identity of each fish and how they're doing, dig into what makes a species a species, the definition of a species complex, and how the advancement of biodiversity discovery is important to conservation.

Western Atlantic Torpedo Ray! May 06, 2026

Show notes

This week we're heading to New England to get to know its very large, blobby, thick-tailed electric ray that's super cool but not well-understood. In this episode, we get a peek into the torpedo ray's personality and deep dive into the how-tos and value of rescuing and necropsying stranded fish. Guy ponders if anyone has used uterine "milk" to make a cheese and Katrina wonders about historical accounts of these fish curing migraines and gout. Our guest is Carol "Krill" Carson from the New England Coastal Wildlife Alliance.

Frowny & Fabulous Fat Sleeper! May 04, 2026

Show notes

Prized for their blue spot and legendary as bait for big snook and other sportfish, the frowny-faced Fat Sleeper is valued wherever it is: judging you from your aquarium, breathing air from the top of its head while trying to avoid becoming candy for herons, predicting storms, or unlocking nutrients from mangroves to benefit the entire food chain. You'll learn how this fish is the ultimate survivor, where it lives, and all about its weird "storm minnow parade" and sticky eggs. Guest Eddie Perry joins from our Peninsular Florida Fish and Wildlife Conservation Office to build appreciation for this wonderful fish.

If you liked this episode, you might also like "Florida's Remarkable Opossum Pipefish" (S5:E14)

Convict Cichlids & America's "Goldilocks" Waters Apr 27, 2026

Show notes

In waters that are "just right" across America, you can find colorful, unfamiliar fish living on the edge. Embark on a weird treasure hunt with Katrina, Guy, and guest Matt Miller from The Nature Conservancy to learn about Central American Convict Cichlids in Idaho to feral fancy guppies in George Washington's Bathtub and Jack Dempsey Cichlids in South Dakota. We explore American's bizarre relationship with certain fish, as well as tips for travel to and fishing hot springs. Unfortunately, this isn't a fairy tale: we also learn how introducing unwanted aquarium pets into hot springs puts our own unique native fish at risk.

Northern Pike in Southcentral Alaska Apr 20, 2026

Show notes

Get the latest scoop on Northern Pike in Southcentral Alaska with Alaska Department of Fish and Game guest Parker Bradley. While this fish is highly sought-after and valued for subsistence and sport in the regions of Alaska where it's native, it is causing problems for salmon in Southcentral Alaska where it's been introduced. We deep dive into a nuanced look at how species can cause harm when they're put into new places, and what's being done to detect and manage populations in a very large and logistically-challenging environment.

Golden Redhorse: Fantastic Native Sucker Apr 13, 2026

Show notes

Get to know the Golden Redhorse! They fight hard, they're beautiful, and they're a great fish to introduce kids to fishing (soft mouth, no spines). During this episode you'll gain strategies to see their migration and catch/cook redhorse, identify redhorse species in your neck of the woods, learn how anglers are helping scientists understand more about these fish through an amazing piece of anatomy called the otolith and more. Our two Minnesota-based guests are Drew Geving (Native Fish for Tomorrow) and Alec Lackmann (University of Minnesota Duluth's Otolith Lab).

Become the ultimate sucker lover by catching all of our sucker episodes!

S2: E14 - Rio Grande Suckers
S2: E15 - Ugiidatli / Sicklefin Redhorse
S2: E22 - Bigmouth Buffalo
S2: E41 - June Sucker
S2: E46 - Blue Sucker
S3: E5 + S4: E17 Razorback Sucker
S3: E34 - Hogsuckers
S3: E46 - Cui-ui / Pyramid Lake Suckers
S4: E3 - C'waam / Lost River Suckers
S4: E16 - White Sucker
S4: E29 - Smallmouth Buffalo
S5: E25 - Shorthead Redhorse

Emerald Bowfin: Honey Badger of Fish! Apr 06, 2026

Show notes

Get to know the Emerald Bowfin, one of two native species of bowfin found in North America! Always hungry and angry, this gamest of fish is a dedicated parent and will roll and jump spectacularly on the end of your line if hooked...and once landed, it about as close as you can get to holding a living dinosaur. Guests Griffin Blegen and Tyler Winter help Katrina and Guy dig into where this fish is found, its aggressive personality, how their dietary habits help you catch bigger bluegill, how to best cook bowfin at the water's edge, and why you absolutely should NOT throw this treasure on the bank like trash.

American Star Drum: Estuarine Candy! Mar 30, 2026

Show notes

Get to know the American Star Drum: an abundant, silvery little bulldog-faced fish that feeds everything from popular sportfish to beloved birds and dolphins! Katrina and Guy are joined by two Georgia-based guests: Rachel Guy with the Sapelo Island National Estuarine Research Reserve/Georgia DNR and Bryan Fluech with the University of Georgia Marine Extension and Georgia Sea Grant. You'll learn about the biology of this fish and other lesser-known drums, the key role of estuaries, the Estuarine Fish Monitoring Cooperative, and coastal Georgia's fish/crustacean ID tool "What's My Bait."

Southern Appalachian Brook Trout! Mar 23, 2026

Show notes

Travel to North Carolina with Katrina, Guy, and guest Tyler Pait to get to know the beautiful Brook Trout of the Southern Appalachians! You'll learn about the habits of these fish, where you can still find them in the south, how to safely approach a high-elevation Brook Trout fishing adventure, and how folks with non-fish day jobs are making a difference (and how you can too!).

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