Images of bizarre deep sea creatures found in May and June by the research ship Investigator as it travelled along the Australian coastline to the Coral Sea. The scientists aboard the ship mapped the sea floor to a depth of 4,000 metres and collected more than 1,000 different marine species, about a third of which were new to science and half of which showed some kind of bioluminescent quality

• Voyage to the sea floor: expedition returns with fascinating finds