The Most Massive Catfish Ever Caught

The Most Massive Catfish Ever Caught
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Catfish Around the World
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Recognizing a Catfish
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What Catfish Eat
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Handle With Care
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The Electric Catfish
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Talking and Walking Catfish
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Ancient Origins
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Catfish in the U.S.
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World Record Catfish
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Conservation of the Mekong Catfish
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The Most Massive Catfish Ever Caught
Catfish Around the World
Recognizing a Catfish
What Catfish Eat
Handle With Care
The Electric Catfish
Talking and Walking Catfish
Ancient Origins
Catfish in the U.S.
World Record Catfish
Conservation of the Mekong Catfish

The Most Massive Catfish Ever Caught

Catfish are well known for their abundance and popularity at the dinner table. There are upwards of 3,000, and they are found everywhere in the world except Antarctica. Catfish are bottom dwellers that feature iconic whisker-like face barbels. These fish are incredibly adaptable and can grow to truly impressive sizes.

Over the past several years, scientists have discovered new catfish species, exciting anglers around the world. And the fact that some catfish species can grow quite large is especially thrilling. However, our fascination with these fish extends beyond size. These freshwater swimmers are remarkable for their interesting behaviors and electric abilities, both of which make them highly intriguing fish.

This slideshow explores various aspects of catfish, including their anatomy, unique features, and the world record for the biggest catfish ever caught. Check out this ancient fish species that has been navigating our waterways for millions of years.

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Catfish are well known for their abundance and popularity at the dinner table. There are upwards of 3,000, and they are found everywhere in the world except Antarctica. Catfish are bottom dwellers that feature iconic whisker-like face barbels. These fish are incredibly adaptable and can grow to truly impressive sizes.

Over the past several years, scientists have discovered new catfish species, exciting anglers around the world. And the fact that some catfish species can grow quite large is especially thrilling. However, our fascination with these fish extends beyond size. These freshwater swimmers are remarkable for their interesting behaviors and electric abilities, both of which make them highly intriguing fish.

This slideshow explores various aspects of catfish, including their anatomy, unique features, and the world record for the biggest catfish ever caught. Check out this ancient fish species that has been navigating our waterways for millions of years.

Catfish Around the World

  • Catfish are divided into 33 families, 400 genera, and over 3,000 species.
  • With the exception of Antarctica, they inhabit every continent.

Recognizing a Catfish

  • Catfish are easily recognized by their facial ‘whickers’, which aid them in locating food.
  • Sizes vary across species, from the miniscule pencil catfish to the massive wels catfish.

What Catfish Eat

  • Catfish are omnivorous bottom feeders.
  • Their diet is diverse, made up of aquatic plants, fish, mollusks, crustaceans, and insects.

Handle With Care

  • Surprisingly, roughly 50% of all catfish species are venomous.
  • They can inflict painful stings using spines on their dorsal and pectoral fins.

The Electric Catfish

  • Electric catfish live in the Nile River.
  • They can release shocks up to 400 volts for defense and hunting.

Talking and Walking Catfish

  • Some catfish produce sounds using their swim bladders or fins
  • The walking catfish uses pectoral fins to move on land and breathe air.

Ancient Origins

  • Catfish date back to the Cretaceous Period and coexisted with dinosaurs
  • A 37-million-year-old fossil revealed their anatomy remains largely unchanged.

Catfish in the U.S.

  • Flathead catfish inhabit the Mississippi River
  • Known for their large size and bottom-dwelling habits.

World Record Catfish

  • The largest catfish ever recorded weighed 646 pounds
  • It was a Mekong giant catfish caught in Southeast Asia in 2005.

Conservation of the Mekong Catfish

  • Mekong giant catfish are critically endangered
  • Their decline is due to habitat loss and dam construction on the Mekong River.
Author photo

Written by Christian Drerup

Published: June 7, 2025

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