My entirely sober ass thought the same thing, even before I saw the caption.
(Mastodon, by default, crops the picture to 16:9 from the center. The caption on top is not visible in this crop, and can only be seen when I click the picture to show it in its entirety.)
@Trying2KnowMyself
Ah yes, the infamous Reverse Catgirl, distant cousin of the Reverse Mermaid.