The roughback sea catfish (Plicofollis tonggol) is a species of sea catfish"Plicofollis tonggol." Fishbase.sinica.edu known as manyung in IndonesiaSistem Informasi Kenelayanan and arahan in the Philippines,English, Leo James. Tagalog-English Dictionary, Congregation of the Most Holy Redeemer, Manila, National Book Store, 1583 pages, "Plicofollis tonggol." Fishbase.sinica.edu.tw where it is regarded important in the fishing industry. As food, roughback sea catfish are sun-dried and salted before actual trade and consumption.
Characteristics The roughback sea catfish grows up to 40 cm long. They live in the salty waters of tropical regions of the world. They feed on invertebrates. They have pointed dorsal fins, which can cause injury if held by unprotected human hands.
Distribution They are found at the coastal waters of Indonesia, Malaysia, the Philippines, and Pakistan.
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