“The Sargasso Sea occupies almost two thirds of the North Atlantic Ocean. Within this sea, circling ocean currents accumulate mats of Sargassum seaweed that shelter a surprising variety of fishes, snails, crabs, and other small animals. The animal community today is much less diverse than it was in the early 1970s, when the last detailed studies were completed in this region. This study shows that animal communities in the Sargasso Sea are definitely changing. The next step is to find out why.”
Often, we define oceans and seas based on their borders with land as their defining characteristics (this is one reason why many don’t know about the Southern Ocean as a distinct body of water or consider it an ocean). The Sargasso Sea is defined by ocean currents; it is surrounded by great currents but is itself without a strong current, making it perilous for early seafarers. These oceanic doldrums became shrouded in superstition as stories of the fabled Bermuda Triangle spread, but the truth is all in the ocean currents.