hentscheli, and Stelletta rhaphidiophora.īut the abundance of sponges wasn’t the biggest surprise. The main species in the region were identified as Geodia parva, G. The area was covered in large sea sponges, despite having lower productivity and nutrient fluxes than other sea sponge grounds in the North Atlantic Ocean. In 2016, a team of scientists aboard the RV Polarstern, a German research icebreaker, visited Langseth Ridge, an ice-covered seamount in the Arctic Ocean, a few hundred miles from the North Pole. But a new study has upended this assumption, and pushed and prodded scientific thought into a new direction. At least, that’s what a lot of people used to think about these aquatic invertebrates. Image: AWI OFOBS Team, PS101/Morganti et al Figure showing typical sponge spicule trails.
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