Cephaloscyllium stevensi
Cephaloscyllium stevensi, known commonly as the Steven's swellshark, is a species of swellshark
Cephaloscyllium is a genus of catshark, family Scyliorhinidae, commonly known as swellsharks because of their ability to inflate their body with water or air as a defense against predators. These sluggish, bottom-dwelling sharks are found widely in the tropical and temperate coastal waters of the...

 which is known from Papua New Guinea
Papua New Guinea
Papua New Guinea , officially the Independent State of Papua New Guinea, is a country in Oceania, occupying the eastern half of the island of New Guinea and numerous offshore islands...

. It was described by Clark and Randall in 2011.
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