Cottunculus granulosus is a species of fish in the blobfish family Psychrolutidae found in the south-western Atlantic Ocean.Nakamura, I., T. Inada, M. Takeda and H. Hatanaka, 1986. Important fishes trawled off Patagonia. Japan Marine Fishery Resource Research Center, Tokyo. 369 p.
Description This species reaches a length of .
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