A recent study has revealed an unexpected relationship between Antarctic icefish and sea ice. Icefish are a type of fish found exclusively in the frigid waters of Antarctica, and it is thought that they rely on sea ice for their survival. By studying the oxygen isotope ratios of icefish and sea ice collected from the same region, researchers have determined that the two are closely related. This suggests that the icefish rely on sea ice for at least part of their diet and that changes in sea ice could have dire consequences for the species. As temperatures continue to rise, it is important that we take steps to protect this species from the effects of climate change.

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source: Phys.org