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Tech & Science New fish found in deep-sea haul from 'frontier' voyage to Australia's eastern abyss

05:36  21 february  2018
05:36  21 february  2018 Source:   abc.net.au

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They have discovered a faceless fish and blob fish , and now scientists are naming new species retrieved from Australia ' s eastern abyss .

Up to 5 New Fish Species are among a haul of thousands of Fish collected from the dark depths of Australia ' s eastern abyss . He described the voyage as " Frontier Science" which was vital for increasing the understanding of the Deep - Sea Environment.

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Up to five new fish species are among a haul of thousands of fish collected from the dark depths of Australia's eastern abyss.

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New fish found in deep - sea haul from ' frontier ' voyage to eastern abyss . They have discovered a faceless fish and blob fish , and now scientists are naming new species retrieved from Australia ' s eastern abyss .

Up to 5 New Fish Species are among a haul of thousands of Fish collected from the dark depths of Australia ' s eastern abyss . He described the voyage as " Frontier Science" which was vital for increasing the understanding of the Deep - Sea Environment.

Scientists on board the research ship Investigator collected 42,747 fish and invertebrate specimens from ocean depths of up to 4,800 metres during a voyage last year.

Among their most interesting findings was the rediscovery of the "faceless" fish, as well as blob fish, bioluminescent cookie-cutter sharks and the lizard fish.

More than 100 different fish species collected on the voyage are now being examined at the CSIRO in Hobart to determine which of them are new to science.

The duckbill eel is potentially one of the new species found in the eastern abyss. © CSIRO: Matthew Marrison The duckbill eel is potentially one of the new species found in the eastern abyss.

CSIRO ichthyologist John Pogonoski said they spent many hours processing the samples, photographing specimens and extracting muscle samples for DNA analysis.

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New fish found in deep - sea haul from ' frontier ' voyage to Australia ' s eastern abyss - ABC News ( Australian Broadcasting Corporation). Dive into a deep sea discovery on the RV Investigator : Museums Victoria.

Up to five new fish species are among a haul of thousands of fish collected from the dark depths of Australia ' s eastern abyss . He described the voyage as " frontier science" which was vital for increasing the understanding of the deep - sea environment.

He described the voyage as "frontier science" which was vital for increasing the understanding of the deep-sea environment.

"We are investigating possible new species and fishes never before recorded in Australian waters," he said.

The marine species were taken from Australia's eastern abyss, the largest and deepest habitat on the planet. © CSIRO: Matthew Marrison The marine species were taken from Australia's eastern abyss, the largest and deepest habitat on the planet. Mr Pogonoski said discovering a new species was both exciting and challenging.

"It is breaking new ground, it is frontier science," he said.

"It is also gathering all of the information you can, so there is forensic work involved as well."

The Investigator left Bell Bay in Tasmania in May last year and surveyed seven Commonwealth Marine Reserves (CMR) — from Freycinet off eastern Tasmania to the Coral Sea off central Queensland — before finishing in Brisbane in June.

Mr Pogonoski said out of the 100 species collected, about 10 per cent were new records for Australia, and about 5 per cent were potentially completely new to science.

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Up to five new fish species are among a haul of thousands of fish collected from the dark depths of Australia ' s eastern abyss . He described the voyage as " frontier science" which was vital for increasing the understanding of the deep - sea environment.

Deep sea fish collection brought to Hobart from 5km deep eastern abyss . Il y a 2 mois. 21/02/2018 New fish found in deep - sea haul from ' frontier ' voyage to Australia ' s eastern abyss

Scientist inspects deep sea fish © CSIRO: Matthew Marrison Scientist inspects deep sea fish

"We are still going through the process and investigating those [species]," he said.

"There are a couple of basketwork eels that could be new, there is also an unknown eelpout and also a duckbilled eel that appears to be an undescribed species."

Museums Victoria ichthyologist Martin Gomon said the voyage was the first systematic attempt to examine life at abyssal depths anywhere along Australia's coast line. "The discoveries provide us with a glimpse into how our marine fauna fits into the interconnected abyssal environment worldwide and for the scientists, adds another piece to the puzzle of what affects evolution in the deep sea," he said.

"Very little is known about many of the areas in those [abyssal] waters.

Martin Gomon inspects a fish specimen at the CSIRO in Hobart. © CSIRO: Matthew Marrison Martin Gomon inspects a fish specimen at the CSIRO in Hobart.

"What we need to know is whether the animals that are living at these depths around Australia are the same or unique, quite different from those found elsewhere around the world.

"I have little doubt that there are many species out there we haven't seen yet."

Mr Pogonoski said scientists had only "scratched the surface" in terms of discovering fish from the abyss.

"There is a lot more work to be done, especially in the northern part of Australia and the western part of Australia."

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