But one creature from the deep really grabbed the public's attention. According to scientists, this worm, when threatened, retracts its mushroom cap head into the shaft of its body and attains the shape of a peanut.
Among those uncovered is the peanut worm, which also notable for closely resembling the human penis. They can reproduce both sexually and asexually. There are over 300 different species of peanut worms in the world.
The researchers said more than one-third of the spineless critters and numerous fishes discovered during the expedition are new to biologists. A species of fish known as the "faceless fish", a fish that hadn't been seen or even been taken a photo of since 1873.
A team of worldwide scientists has discovered a number of new marine species in one of the most unexplored ecosystems in the world, the deep water off Australia. It was also a particularly rare discovery.
A group of Australian researchers from Museum Victoria and the CSIRO - the nation's scientific research agency - have just completed a month-long journey along the eastern coast of the country, keeping a record of what oddities lurk deep beneath the oceans.
"We're really excited about the discoveries that we've made and are thrilled that we can now share them with the Australian and worldwide public", the Inquisitr reported.
RV Investigator's docking brought back more data on the freaky species of the Australian abyss.
"The data gathered on this trip will be crucial to understanding Australia's deep-sea habitats, their biodiversity and the ecological processes that sustain them", states O'Hara.
You can slake your curiosity on the gallery below, and a selection of the specimens will be on exhibit at Melbourne Museum later this year.
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