Siphonophores are colonial hydrozoans that do not exhibit alternation of generations but instead reproduce asexually through … See more

Currently, the World Register of Marine Species (WoRMS) identifies 175 species of siphonophores. They can differ greatly in terms of size and shape, which largely reflects the environment that they inhabit. Siphonoph… See more

Siphonophores use a method of locomotion similar to jet propulsion. A siphonophore is a complex aggregate colony made up of many nectophores, which are clonal individuals that form by budding and are genetically … See more

Organisms in the order of Siphonophorae have been classified into the phylum Cnidaria and the class Hydrozoa. The phylogenetic relationships of siphonophores have been of great interest due to the high variability o… See more

Carl Linnaeus described the first siphonophore, the Portuguese man o' war, in 1758. The discovery rate of siphonophore species was slow in the 18th century, as only four additional species were found… See more