Catfish range in size from 4-5 centimeters to 15 feet (4.6 meters) in length. Most types of catfish have a keen sense of smell which helps with hunting in muddy waters. Many types of catfish have eight barbels near their mouths, and all have at least one pair of barbels. Their namesake and most notable feature come from their whiskers around the mouth, also called barbels, which give the fish a cat-like appearance. Instead, catfish have sharp spines on their fins, backs, and sides. One of the unique characteristics of the catfish is that their skin is smooth with no scales. Types of Catfish FAQs here! What is a Catfish?Ĭatfish are bottom feeders and are all similarly shaped, despite size differences, and are most active at night. Types of Catfish Fun Facts: Most Common, Most Rare, Biggest, Smallest.
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