catfish

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Introduction References & Edit History Quick Facts & Related Topics

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red-tail catfish

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animal. Amphibian. Frog. Anura. Ranidae. Frog in grass.

Abundant Animals: The Most Numerous Organisms in the World

Sea horse or Seahorse, Hippocampus. Kingdom: Animalia Phylum: Chordata, Class: Actinopterygii, Order: Syngnathiformes, Family: Syngnathidae, Subfamily: Hippocampinae

9 Fish Named After Other Animals

Spider monkey swinging in a tree. (primate, jungle animal)

Why Do Animals Have Tails?

Tiger shark (Galeocerdo cuvieri).

14 Questions About Aquatic Animals Answered

Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.

10 of the World’s Most Dangerous Fish

Discover

Hemp (Cannabis sativa).

9 Mind-Altering Plants

Srinivasa Ramanujan, Indian mathematician and autodidact.

6 Interesting Facts about Srinivasa Ramanujan

Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.

9 of the World’s Deadliest Mammals

A mug shot taken by the regional Colombia control agency in Medellin

Pablo Escobar: 8 Interesting Facts About the King of Cocaine

Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,

Which Religion Is the Oldest?

Colorful winter sunset

What's the Difference Between a Solstice and an Equinox?

Stylish light blue jeans on wooden background, closeup of inset pocket

Why Do Jeans Have That Tiny Pocket?

catfish: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Facts

Also Known As	Siluriformes

Photos

red-tail catfish

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Topics

ictalurid banjo catfish callichthyid armoured catfish schilbeid catfish upside-down catfish bagrid catfish long-whiskered catfish whalelike catfish Trichomycteridae mountain-stream catfish eel lungfish shark sturgeon salmon ray seahorse tuna mackerel trout

Quiz

Young chimpanzee dressed in a shirt and sweater vest, scratching his head thinking. (primates)

Wild Words from the Animal Kingdom Vocabulary Quiz

Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters

Animal Group Names

Lion (panthera leo)

Deadliest Animals Quiz

tropical two-wing flying fish (Exocoetus volitans). Beloniformes, ichthyology, fish plates, marine biology, tropical two wing flying fish, tropical two-wing flyingfish, tropical two wing flyingfish, tropical fish, fishes, animals.

Know Your Fish Quiz

Mute swan with cygnet. (birds)

Match the Baby Animal to Its Mama Quiz

vulture. An adult bearded vulture at a raptor recovery center. The Gypaetus barbatus also known as the Lammergeier or Lammergeyer, is a bird of prey and considered an Old World vulture.

Animal Factoids

List

Tiger shark (Galeocerdo cuvieri).

14 Questions About Aquatic Animals Answered

Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.

10 of the World’s Most Dangerous Fish

animal. Amphibian. Frog. Anura. Ranidae. Frog in grass.

Abundant Animals: The Most Numerous Organisms in the World