Cyclichthys hardenbergi
Cyclichthys hardenbergi, commonly known as Hardenburg's burrfish, is a species of porcupinefish in the family Diodontidae. It is native to the tropical western Pacific Ocean, where it is known from southern New Guinea and northern Australia east of Cape York. The species is typically seen at depths of less than 100 m over soft substrates. It is believed to be a solitary species that feeds on hard-shelled invertebrates. The species reaches 25 cm in standard length. Although sometimes caught by trawling, it is not a target for commercial fisheries.