Surprising footage reveals parasites attached to the head of a deep-sea fish. These crustaceans, visible in a video shared by the Schmidt Ocean Institute, feed on their host's bodily fluids. The video ...

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When most people think about biodiversity in lakes and rivers, they imagine fish, plants, or perhaps birds and amphibians. But beneath the surface exists another world that often goes unnoticed: ...

Shocking new footage shows a pair of bloodsucking parasites latched onto the head of a deep-sea rattail fish. In the video, which the Schmidt Ocean Institute shared in a Facebook post, two copepods — ...