Today these otherworldly creatures can be found around the world, from coastal shallows to the ocean deeps. Jellyfish are invertebrates – animals that don’t have a backbone – and belong to a group ...

Stanley Gardiner and J.J. Lister. The Natural History Museum cnidaria collection is used for taxonomic research, studies of coral richness (species, generic, morphological, genetic), as well as for ...

Cnidarians have a simple body plan ... While reproductive strategies vary with the diversity of coral species, synchronous spawning events can cloud the water column with gametes and larvae ...

The animal kingdom contains a vast array of animals capability of remarkable regenerative abilities, but known are quite as adept at this healing task than sea-swelling Cnidarians, such as hydra ...

Hydractinia symbiolongicarpus is a member of the phylum Cnidaria, making it a close relative of jellyfish and corals. The animal’s tendency to form large colonies comes with problems, says study ...