The medusa stage of the hydroid Campanularia johnstoni . The brownish-orange spots around the margin of the bell are the gonads. The beautiful and impressive colonial hyroid Campanularia johnstoni with its respective medusae. This hydroid belongs to the genus Eudendrium . Many hyroids are minute and often go unnoticed by divers.
Microscopic examination shows that they are impressive and beautifully formed creatures.
Gonothyraea loveni , shown here with its medusae, is a case in point. A close-up photograph of Chrysaora sp. This and similar species of jellyfish are extremely difficult to keep alive in captivity. Alternatively, copy the order number and paste it in an e-mail. The link is given below.