Characteristics of Cnidarians
Ever been stung by a jellyfish like animal while swimming in the ocean? This type of animal belongs to to the phylum Cnidaria and are distinguished by a hollow body and mouth surrounded by tentacles. Types of animals in this phylum are jellyfish, hydras, anemones, and coral.
Characteristics of Cnidarians
- Hollow sac-like body that occurs in two forms:
- a vase-shaped body called a polyp, or
- a bell-shaped body called a medusa.
- Cells are specialized into tissues.
- Only one opening into the body.
- Tentacles with stinging cells.

