The catfish has ***4 whiskers on its mouth, long at the top and short at the bottom.
The catfish is the same as the catfish, also known as the earth catfish, and is the most widely distributed fish in the catfish family. The dorsal fin is small, without hard spines, and has 4 to 6 fin rays. There is no adipose fin. The anal fin is very long and attached to the caudal fin at the posterior end. The catfish body color is usually dark brown or grayish black with slight dark cloudy patches.
As an adult, the total number of whiskers*** is 2 pairs, or 4, with the maxillary whiskers reaching as deep as the end of the pectoral fins, while the mandibular whiskers are short. When catfish are juveniles, there are 3 pairs of whiskers, or 6, and by the time the body grows to about 60 millimeters, 1 of the pairs of chin whiskers begins to disappear, becoming 4.
Expanded Information
Four whiskers are the basic characteristics of catfish, but there are two catfish that are more unusual, with eight whiskers:
1. Bearded catfish, with eight whiskers, four on the top and four on the bottom. Body color yellow, wild fish grow slowly, generally weighing no more than 1 city pound, high nutritional value, good taste.
2, leather bearded catfish, also known as Egyptian bearded catfish, introduced from Egypt. 8 whiskers, black body, individual huge. Most of the artificial breeding, the largest individual up to 10 kilograms or more, its easy to breed, fast growth, life has many people breeding.
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