How is the hydrostatic skeleton of animals composed?

What are hydrostatic skeletons? What are their functions? Gives a good overview. The name skeleton is misleading, because it is really just a static force which stabilizes the body of those animals. read more

A hydrostatic skeleton, or hydroskeleton, is a skeleton supported by fluid pressure. Hydrostatic skeletons are common among simple invertebrate organisms. While more advanced organisms can be considered hydrostatic, they are sometimes referred to as hydrostatic for their possession of a hydrostatic organ instead of a hydrostatic skeleton. read more