Being a mother is tough work, and this is no different in the animal world! However, many of our marine mums face a different set of challenges – pollution and climate change affect the success rate of their reproduction efforts. Species like sand tiger sharks and zebra sharks are even more vulnerable to these threats, due to their late maturity and naturally low rate of reproduction. Here, we pay tribute to some of the amazing marine mummies at S.E.A. Aquarium!