Mature medusa

Swimming planulae

Scyphistoma with developing mouth and four rudimentary primary tentacles (2 days post settlement)

 

 

Four primary tentacles further developed

Early eight tentacles stage: scyphistomae with four well developed primary tentacles and additional four rudimentary secondary tentacles developing

16 tentacles stage

 

 

Cluster of mature scyphistomae

Scyphistomae beginning to strobilate (neck elongation and segmentation phase)

Strobila ready to release ephyrae

 

 

Newly released ephyra

Juvenile medusa

Mature medusa

 

 

Images & text: Chad Widmer