epinl's blog: "wholesale beads"

  Coral beads, hydra individual, was a hollow cylindrical lower end attached to the surface of the object, the top port, surrounded by a full-or multi-turn tentacle. Tentacles to collect food, can be used for a certain degree of stretch on specialized cells (nematocysts) pulls out of nematocysts, stinging cells when stimulated, prey to the paralysis of the barbed wire. Eggs and sperm produced by the gonads diaphragm discharged into the sea through the mouth. Fertilization usually occurs in seawater, and sometimes also occur in the stomach circular cavity. Fertilization usually occurs only between individuals from different eggs and sperm. The planula fertilized egg as covered with cilia, can swim. Several days to several weeks after fixation hydra development on the surface of the fixed body. Also budding reproduction. Bud formation after separation with the original polyp.