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Extra! Extra! Read all about Double Helix Extra’s most eye-grabbing headlines from 2023:

While onboard the RV Investigator in 2017, scientists collected a large sponge, but that wasn’t the only thing they collected. Inside, they found 30 banded sand catsharks (Atelomycterus fasciatus). This was the first time sharks had been seen living in sponges, but it wasn’t the last.

Not one, but 2 new Australian shark species have recently been described by CSIRO scientists and both have pretty cool appearances! CSIRO researchers Will White and Helen O’Neill lead the team of scientists who introduced the world to these new sharks, both found in deeper waters off north-western Australia. The CSIRO team first published the […]

Written by Natalie Kikken   To honour World Oceans Day 8 June, get crafty by making your own 3D grey nurse shark.

Following a fatal attack off New South Wales, sharks are once again in the spotlight. As tragic as these events are, shark attacks are so rare, scientists aren’t sure why humans are bitten at all.