River Monsters (Real Ones)
Top 10 Species
These are the fish that get noticed by FishyAF anglers. Click any species to deep dive and learn more.
1
Mekong Giant Catfish
Coming Soon
2
Goliath Tigerfish
Coming Soon
3
Wels Catfish
Verified
World Record
297 lb 9 oz
Klaus Zwickl / 2010
Po River, Italy
Klaus Zwickl / 2010
Po River, Italy
Signature Fact
They've been filmed launching onto riverbanks to grab pigeons, orca-style, then wriggling back with lunch.
4
Arapaima
Learn More Here Verified Catch
World Record
Pending
Signature Fact
Arapaima must breathe air and surfaces every 5 to 15 minutes, gulping loudly like a surfacing submarine.
5
Alligator Gar
Learn More Here Verified Catch
World Record
279 lb 0 oz
Art Weston / 2011
Rio Grande, Texas
Art Weston / 2011
Rio Grande, Texas
Signature Fact
Their eggs are poisonous to humans, even after cooking-roe tacos are a very bad idea.
6
Giant Freshwater Stingray
Species Guide Coming Soon
World Record
—
Signature Fact
More details coming soon.
7
Nile Perch
Species Guide Coming Soon
World Record
—
Signature Fact
More details coming soon.
8
Paddlefish
Species Guide Coming Soon
World Record
—
Signature Fact
More details coming soon.
9
Redtail catfish
Learn More Here Verified Catch
World Record
Pending
Signature Fact
In Asian pay lakes, pellet-fed bruisers regularly top 100 pounds and bulldoze anglers like runaway anchors.
10
Payara
Learn More Here Verified Catch
World Record
Pending
Signature Fact
Two saber fangs up to 6 inches long lock into skull sockets when the mouth closes.
FAQs
What are real river monsters?
River monsters are large, powerful freshwater fish found in major river systems, known for size, strength, or difficulty to catch.
What are the biggest river fish in the world?
Mekong giant catfish, giant freshwater stingray, wels catfish, arapaima, and Nile perch are among the largest river fish globally.
Are river monster fish dangerous?
Some can be. Species like goliath tigerfish and payara have powerful jaws, while others are dangerous due to sheer size and strength.
Can anglers catch river monsters?
Yes. Many of these species are targeted by anglers, often requiring heavy gear and travel to specific regions.
Where can you find river monsters?
They are found in major river systems like the Amazon, Mekong, Congo, Mississippi, and others around the world.
