Giant phantom jellyfish live in every ocean except for the Arctic Ocean. However, because they typically swim deep below the surface, they are hardly seen by humans.

Oct 17, 2025 · In the deepest, darkest parts of the ocean, far below where visible light can reach, swims one of the strangest animals on Earth: the deep sea jellyfish. These mysterious …

Jan 21, 2024 · These and other bioluminescent jellyfish, such as the Red Paper Lantern and Cosmic Jellyfish, are primarily found in deep, cold ocean waters and use their …

Jan 25, 2025 · These elusive deep-sea creatures have a 3.3-foot-wide (1 meter) bell and four ribbon-like arms that grow up to 33 feet (10 m) long, making them among the largest …

Moving in for a closer look, the submersible’s lights reveal the giant phantom jelly (Stygiomedusa gigantea). The bell of this deep-sea denizen is more than one meter (3.3 feet) across and trails …

Jun 25, 2025 · The most recent sighting was in 2025 when the giant phantom jellyfish was spotted by an ROV in the Bellingshausen Sea off Antarctica. In addition to the phantom jellyfish, …

Aug 8, 2025 · Deep-sea jellyfish—gelatinous, luminous, and ancient—drift through the abyss with a combination of fragile elegance and potent defense. These extraordinary creatures produce …

Stygiomedusa gigantea, commonly known as the giant phantom jelly, is the only species in the monotypic genus of deep sea jellyfish, Stygiomedusa. It is in the Ulmaridae family.

Apr 24, 2024 · The deep sea is home to some of the most mysterious and fascinating creatures on Earth, and among them, the Deep Sea Jellyfish stands out with its ethereal beauty and …

Aug 30, 2024 · Here are 10 unique types of jellyfish that are both fascinating and beautiful. The cauliflower jelly (Cephea cephea) is named so because of the wartlike projections on its bell.