
When sharks and rays are finally ready to begin reproducing, things still happen at a slow pace. Female sharks are typically pregnant for a year of more; short fin makos give birth after a year and a half, basking sharks after two and a half. Female greeneye spurdogs, […], are pregnant for between thirty-one and thirty-four months, one of the longest recorded gestations of any animal.
[…]
Except now, of course: Humans are changing the rules, and