This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
FishEggsLankester. Fish eggs Caption Eggs and eggcases of fishes From Dean Bdellostoma eggcase upper pale of the same showing hooks and microphyle after Ayers Myxine after Steenstrup process of the same Petromyzon marinus Scyllium after Gnther Raja Heterodontus After Gnther Callorhynchus After Gunther Ceratodus After Semon Lepidosteus