Have you ever wondered why anglers have calloused, rough, and sometimes even discolored thumbs? It’s called “Bass Thumb,” and it’s a condition caused by landing multiple largemouth bass. Whether you’re a seasoned angler or a beginner, chances are you’ve experienced the discomfort of Bass Thumb. In this article, we’ll explore what Bass Thumb is, why it happens, and share some fun facts about largemouth bass fishing. Let’s dive right in …

What is Bass Thumb?

Quick Answer

Bass Thumb is a condition caused byย inserting the thumb into the bass’s mouth while landing or unhooking. The fish’s small, rough teeth and bony mouths can create small puncture wounds in the angler’s thumb, resulting in soreness, callouses, and discoloration.

Catching Largemouth Bass

Largemouth bass are a popular freshwater game fish that can grow up to two feet in length and weigh over 20 pounds. Anglers favor Largemouth bass due to their aggressive behavior and fighting spirit. However, catching these fish can be tough on the hands, especially the thumb.

The Culprit: Small Teeth and Bony Mouths

The repeated casting and reeling of a lure can cause friction on the thumb, resulting in soreness and callouses. But the real culprit is the fish’s sharp teeth and bony mouth, which can create deep puncture wounds in the angler’s thumb when landing the fish or removing the hook.

Interested in learning more about bass teeth? Check out our article on “Do Bass Have Teeth?” for a deep dive into the subject.

Bass Thumb as a Symbol of Fishing Prowess

Despite the discomfort, many anglers wear their “BT” with pride as a symbol of their fishing prowess. In fact, some even use the rough skin on their thumb as an advantage, using it to grip their fishing line more securely.

3 Fun Facts about Bass Fishing

  1. Nearly every state in the U.S. has Largemouth bass, a fish species native to North America.
  2. The world record for the largest largemouth bass caught is 22 pounds, 4 ounces, caught in Georgia in 1932.
  3. Bass fishing is a multi-billion dollar industry, with avid anglers spending thousands of dollars on gear, boats, and tournaments.


Bass Thumb is a condition caused by repeated casting, reeling, and hooking of largemouth bass, as well as inserting the thumb into the fish’s mouth while landing, which can result in soreness, callouses, discoloration, and even puncture wounds on the angler’s thumb. Despite the discomfort, many anglers wear it as a symbol of their fishing prowess.

Have fun, tight lines and enjoy the great outdoors!

Amazing Links

  1. Ready to discover the surprising world of largemouth bass? Check out our article on “50 fun and shocking facts about largemouth bass” and get hooked! Link: 50 Fun Facts About Bass
  2. Want to make sure the bass you catch survive and thrive? Learn the right way to catch and release them with our informative guide. Link: How To Catch And Release Bass
  3. Are you curious about what largemouth bass eat? Our article “What do Bass eat?” has all the answers and might just surprise you. Link: What Do Largemouth Bass Eat

Catch us on Instagram

Get stunning photos, expert tips, and engaging stories that will take your fishing game to the next level. Don’t miss out and follow us on Instagram today!

Comments are closed.