Cellular development that leads to the formation of an ovum. (FAO. 2008. Glossary of aquaculture. https://openknowledge.fao.org/handle/20.500.14283/a1555m)
The opah, also commonly known as moonfish, sunfish (not to be confused with Molidae), cowfish, kingfish, and redfin ocean pan are large, colorful, deep-bodied pelagic lampriform fishes comprising the genus Lampris, of the small family Lampridae (also spelled Lamprididae). (Wikipedia. 2026. Opah. https://en.wikipedia.org/wiki/Opah)
Open pollinated generally refers to seeds that will "breed true". When the plants of an open-pollinated variety self-pollinate, or are pollinated by another representative of the same variety, the resulting seeds will produce plants roughly identical to their parents. A second use of the term "open pollination" refers to pollination by insects, birds, wind, or other natural mechanisms. (https://en.wikipedia.org/wiki/Open_pollination)
Opuntia, commonly called the prickly pear cactus, is a genus of flowering plants in the cactus family Cactaceae, many known for their flavorful fruit and showy flowers. (cabicompendium.37714, CABI Compendium, doi:10.1079/cabicompendium.37714, CABI International, Opuntia ficus-indica (prickly pear), (2022))