What animals have hydrostatic skeletons?

They alternately contract and expand their body segments along their length. Some examples are soft-bodied animals such as sea anemones and earthworms. read more

A hydrostatic organ and a hydrostatic skeleton may have the same capabilities, but they are not the same. Hydrostatic organs are more common in advanced organisms, while hydrostatic skeletons are more common in primitive organisms. 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

Other articles where Hydrostatic skeleton is discussed: animal: Types of skeletons and their distribution: Hydrostatic skeletons are the most prevalent skeletal system used by animals for movement and support. A minimal hydroskeleton resembles a closed container. read more