Sawfish, recognized for their distinctive long, narrow, flattened rostrum lined with teeth resembling a saw, are among the largest fish species. Often referred to as the “living fossils” of the ocean, they have long been shrouded in mystery due to their elusive nature and unique appearance.
It can be devastating to your diving career if you are unable to equalise or have a lot of trouble doing so. The underlying cause may be a narrow Eustachian tube, which connects the middle ear to the pharynx. Fortunately, this can be treated. Peter Symes reports.
The study sheds light on the perplexing end-of-life behaviour exhibited by these intelligent creatures, revealing a connection between their demise and a dramatic shift in cholesterol metabolism within the optic gland.
The Schmidt Ocean Institute-sponsored venture delved into the depths of the Nazca and Salas y Gómez Ridge, both within and outside Chile’s jurisdiction, revealing a rich tapestry of marine life, including deep-sea corals, glass sponges, sea urchins, amphipods, squat lobsters, and numerous other species that could be novel to science.
