 Reproduction is ovoviviparous, with 10 to 13 pups in a litter, length at birth about 18 cm.Parasites of the southern lanternshark, studied off Chile, include Monogeneans, Digeneans, Cestodes, Nematodes, and Copepodes.In June 2018 the New Zealand Department of Conservation classified "E. granulosus" as "Not Threatened" with the qualifier "Secure Overseas" under the New Zealand Threat Classification System.