 This genus is confined to tropical waters off Australia, Papua New Guinea, and Indonesia, but an individual from this genus, possibly representing an undescribed species, has been photographed at the Seychelles.They have short snouts with the nostrils placed almost at the tip, and well-elevated eyes and supraorbital ridges.The mouth is closer to the tip of the snout than the eyes, and lacks the connecting dermal fold across the chin.