Giant squid traces reveal hidden marine world off australia

Scientists have uncovered evidence of giant squid and hundreds of other species in deep submarine canyons off Western Australia. The findings come from an expedition that used environmental DNA analysis to explore depths exceeding 4 kilometers.

Researchers from Curtin University led the study aboard the Schmidt Ocean Institute's research vessel R/V Falkor. They collected more than 1,000 water samples from the Cape Range and Cloates canyons, about 1,200 kilometers north of Perth near the Nyinggulu coast. The analysis identified 226 species across 11 animal groups, including several never before recorded in Western Australian waters.

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An international team has discovered a whale cemetery in the Diamantina Fracture Zone containing remains of up to 10 million specimens, some dating back 5.3 million years.

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Researchers at the Okinawa Institute of Science and Technology have revealed how squid and cuttlefish survived the Cretaceous-Paleogene mass extinction by retreating to oxygen-rich deep-sea refuges. Their analysis of newly sequenced genomes shows these cephalopods originated in the deep ocean over 100 million years ago, followed by rapid diversification into shallow waters. The findings, published in Nature Ecology & Evolution, provide the first comprehensive evolutionary tree for decapodiform cephalopods.

Scientists have uncovered more than two dozen dinosaur tracks dating back 132 million years in a small rock outcrop near Knysna, South Africa. These footprints, the youngest known in southern Africa, indicate dinosaurs persisted in the region into the early Cretaceous Period. The discovery challenges previous gaps in the local fossil record following ancient lava flows.

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Researchers have discovered a massive black coral colony deep in Fiordland, New Zealand. The specimen measures 4 meters tall and 4.5 meters wide and is estimated to be 300 to 400 years old. Scientists believe it ranks among the largest of its kind recorded in the country's waters.

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