The deep ocean- minimum 165m deep, maximum 1,690m; the glass octopus's (Vitreledonella richardi) opaque organs, optic nerves, and chromatophores
Not for sale
Not for sale
Gelatinous material; adults have sparse small, red-violet chromatophores; larvae encased in jelly coating
Unknown when it first appeared, but first recognized by Louis Joubin in 1918.