From its vermiculated dorsum all the way to its vermillion ventrum, the Brook Trout is a most charming fish! Guests Emily Hill and Tom Hoffman are here to help us appreciate and conserve one of nature's most amazing piscine color palettes.

For one week and one week only Katrina and Guy discuss some of their recent best fishing adventures and what they learned. Come along as they continue their quest to get to know ALL THE FISH!

Like dinosaurs? Aerial acrobats? Sensitive barbeled snoots? Get to know the Atlantic Sturgeon with special guests Albert Spells and Steve Minkkinen. This humongous Endangered fish has an incredible story to tell.

If you're into an intimate, small stream "mini golf style fishing experience" with gothic vibes, you'll want to make time for the hogsuckers! The oxblood-colored lip liner and the sunlight glinting off their sparkly scales are unforgettable. Get to know the Northern, Alabama, and Roanoke species with native fish enthusiast Corey Geving.

Meet the Endangered Candy Darter, one sweet Appalachian fish we'd like to see more of! Guests Andrew Phipps from our White Sulphur Springs National Fish Hatchery and Nate Owens from the West Virginia Division of Natural Resources bring two complimentary perspectives about this fish, why it's special, and how to help.

Arctic Youth Ambassador Mackenzie Englishoe from Gwichyaa Zhee (Fort Yukon, Alaska) brings her Gwichya Gwich’in perspective about Yukon River Chinook Salmon, fish camp, loss, and the future.

Hated by some, revered by others, get to know a fish with a rich history. From Heather the Leather to Christmas traditions, one thing is for certain...this fish is interesting! Katrina and Guy deep dive into a discussion about the Dog of Fish: the Common Carp!

Learn about a flat place where herds of bison and elk once grazed and a gorgeous little endangered fish is now being squeezed between a rock and a hard place. Bernie Kuhajda from the Tennessee Aquarium and Warren Stiles from our Tennessee Ecological Services Field Office are guests.

If you're feeling old and slow today, the Greenland Shark has you beat! In addition to being the largest Arctic fish and one of the slowest swimming sharks, they are THE LONGEST LIVING VERTEBRATE and can live for hundreds of years!! PhD student Eric Ste-Marie from the University of Windsor's Hussey Lab studies the behavior and physiology of these sharks in the Canadian Arctic and is our guest.

More shark episodes:

• Cookiecutter Shark (S4:E49)
• Blacktip Reef Shark (S4:E30)
• Pacific Sleeper Shark (S4:E23)
• Goblin Shark (S2:E42)
• Salmon Shark (S1:E29)

Meet a miniaturized group of brightly-colored fishes (jet black and electric blue anyone??) with a wiggle-waggle dance and love for tea-colored blackwaters, springs, and submerged aquatic vegetation. Find all seven species in the Southeastern U.S., including the Spring Pygmy Sunfish (a threatened Alabama endemic). Guests Mike Sandel and David Pounders join from Mississippi State University to spill all the tea about these fish.