Catostylidae is a family of small jellyfish.

Members of the Catostylidae family are small marine jellyfish with domed bells.

The smallest jellyfish are just a few inches across.

In late summer, the warm Chesapeake waters were plagued with sea nettles, small stinging jellyfish.

Carukia barnesi is a small and extremely venomous jellyfish found near Australia.

I have about the energy level of a small, arthritic jellyfish that's been dead for a week.

And in between the small jellyfish came open spaces of clear water, some filled with radiant light, some the darkness of utter peace.

Vampyrocrossota childressi is a small jellyfish in the family Rhopalonematidae.

The organisms, resembling small jellyfish, evolved long before the appearance of bones.

"Sea grape is a kind of small jellyfish," explained the stranger.