Are We Human? Or Are We Fish?

Today I sunk to the bottom of the ocean and burrowed in the murky floor of sand and sediments that had been collecting over the past several millennium; the sensation was curiously frightening and exhilarating as I could no longer use my lungs and was forced, instead, to breathe out of the pair of gills that spontaneously flared out of the side of my throat (an experience of awkwardness unequaled, even by puberty) and to swish about with the pointed tail that erupted after my legs melded together--but before my arms withered into little undulating fins that fluttered about like sea-butterflies in the muck of the ocean floor, thickening the darkness of the water.