sentence: Red roe comes from female scallops.
sentences_after: White roe comes from males. Scallops release Spermatozoa and ova freely into the water during the mating season. Fertilized ova sink to the bottom. The immature scallop hatches after a few weeks. The larvae drift in the plankton until they go to the bottom again to grow.
concept_name: red roe
headings: Scallop Life cycle
categories: Bivalves