The above photo is of Apolemia lanosa a type of siphonophore belonging to phylum Cnidaria that also includes corals and jellies. It’s basically the ocean’s way of celebrating Christmas all year long.

Jellyfish belong to one of the oldest extant animal phyla, the Cnidaria. The first Cnidaria appear in the fossil record 600 million years ago, preceeding the Cambrian explosion. They are an extremely ...

Synaptic proteins in nerveless metazoansEvolution of the action potential and voltage-gated ionic channels; On the path to differentiation of the neuron; Fossil record and evolution of the neuron; ...

The symbiotic associations between cnidarians and dinoflagellate algae (Symbiodinium) support productive and diverse ecosystems in coral reefs. Many aspects of this association, including the ...

A positive feedback loop between germ cells and gonads induces and maintains sexual reproduction in a cnidarian Journal: Science Advances Published: 2025-01-10 DOI: 10.1126/sciadv.adq8220 ...