Artemia franciscana blastoderm stage embryo. red: alpha tubulin; blue: nuclei. (photo Extavour)

Artemia franciscana gravid female with late stage oocytes developing in gonad. (photo Extavour)

Artemia franciscana blastoderm stage embryo. red: alpha tubulin; blue: nuclei. (photo Extavour)

Artemia franciscana blastoderm stage embryo; DIC optics.
(photo Extavour)

Artemia franciscana egg sac: these embryos will either develop directly into nauplius larvae or encyst and enter cryptobiosis.
(photo Extavour)