Related to the jellyfish and corals, the beautiful and alien Siphonophore is actually a continuous chain of specialized polyps - individual animals that grow from one another in an organized colony. Some in the colony are devoted to feeding, armed with stinging cells to snag fish or invertebrates. Others are devoted to locomotion, propelling the whole group with a continuous pumping motion. Still others, of course, exist only to reproduce.
The flying gurnards are a family, Dactylopteridae, of marine fish notable for their greatly enlarged pectoral fins. As they cannot literally fly, an alternative name preferred by some authors is helmet gurnards. by Alcides Dutra