They're not, that I know of. They may be losing some of their habitat in some areas, but jellyfish, anenomes, coral and other of the invertebrates are thriving in other areas.
The ones that i know are endangered are corals. They are being lost through bleaching, and dredging.
all animals could get endangered. cnidarians could get endangered too.
When humans pollute the ocean, overfish, and damage coral reefs and other marine environments, they place the survival of cnidarians in danger.
small cnidarians and big cnidarians
cnidarians have no nervous system
Yes, cnidarians are invertebrates.
The cnidarians are in the Kindom family
Cnidarians have a radial symmetry.
Nope - Cnidarians are marine creatures !
cnidaria(similar to cnidarians)
Cnidarians reproduce asexually and sexually
They provide a habitat for Cnidarians
There is none. Corals are cnidarians.
Cnidarians live in water.
Cnidarians and Sponges are invertebrates