A research team has published a description of a rare medusa found at a depth of 812 meters. The animal has been sighted only twice in a deep-sea volcanic structure called Sumisu Caldera, in the Ogasawara Islands. The gelatinous animal with a diameter of about 10 cm and a red stomach resembling the Cross of St. George when seen from above is Santjordia pagesi, a newly described species of medusa. Medusae are a type of free-swimming, umbrella-shaped jellyfish with a reduced stalk.