Ian Haggerty on Instagram: "Drifting weightlessly through the blue, a Venus’ girdle glides past my dive watch like something from another planet. Its transparent ribbon-shaped body pulses with shimmering flashes of light, rippling along its edges as it moves. No fins, no effort — just pure ocean magic, silently cruising through the water column and reminding you how alien the open ocean really is. --- What exactly is a Venus’ girdle? A Venus’ girdle (Cestum veneris) is a ctenophore, also known a