Adult cork fish can grow to a length of one meter. Big-headed rather spiky like a snake's head (so named snakehead), with large scales above the head. The round body is elongated with rounded fins at the ends. The upper side of the body from head to tail is dark, brownish or greenish, with the underside of a white body. The side of the crossed-up look like the surrounding environment. Big mouth with big and sharp teeth.
Although other fish are also known as a good source of protein for the body, but fish cork is known to have a higher type of nutrient content. Protein content of cork fish was 25.5%, higher when compared with protein content of milkfish (20.0%), goldfish (16.0%), snapper (20.0%), and sardines (21 , 1%)
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