Cnidarians are mostly found in aquatic environments. In the phylum Cnidaria, there are about 9,000 species . There are two different forms of Cnidarians. One is free floating, like a jellyfish. The other is a stationary form, like a sea anemone. Cnidarians are carnivorous creatures. Cnidarians have zero organs. They digest food with a stomach cavity.
food. They prey on various organisms, which range in size from small plankton to larger animals such as starfish, sea
slugs, and turtles. Humans come in contact with Cnidarians a lot, particularly jellyfish. Cnidarians can be harmless and deadly. One example of a deadly Cnidarian is a sea wasp.
food. They prey on various organisms, which range in size from small plankton to larger animals such as starfish, sea
slugs, and turtles. Humans come in contact with Cnidarians a lot, particularly jellyfish. Cnidarians can be harmless and deadly. One example of a deadly Cnidarian is a sea wasp.