Conus alconnelli, common name, the Lemonglass cone is a species of sea snail, a marine gastropod mollusk in the family Conidae, the cone snails and their allies.
Like all species within the genus Conus, these snails are predatory and venomous. They are capable of "stinging" humans, therefore live ones should be handled carefully or not at all.
The sizeof the shell varies between 27.5 mm and 90 mm.
This species occurs in the Indian Ocean from Southeast Africa and Madagascar to Oman; and off the Mascarenes and Northern Transkei, South Africa