What are some fascinating facts about jellyfish?

However, some jelly-like animals, like the comb jelly, belong to the phylum Ctenophora. This taxonomic difficulty has lead marine biologists to ask if there's even such a thing as a jellyfish. read more

Like most invertebrate animals, jellyfish have very short lifespans: some small species live for only a few hours, while the largest varieties, like the lion's mane jellyfish, may survive for a few years. read more

Jellyfish and jelly-like sea creatures come in an immensely diverse range of forms. Animals that are typically called jellyfish belong to the phylum Cnidaria, which includes over 10,000 species. However, some jelly-like animals, like the comb jelly, belong to the phylum Ctenophora. read more

Most jellyfish live less than one year, and some some of the smallest may live only a few days. Each species has a natural life cycle in which the jellyfish form is only part of the life cycle (see video clip showing different life cycle stages). read more