Seahorse Memes

Every neuroscientist looking at this: "That's not a P, that's clearly a hippocampus." The sea-horse-shaped structure responsible for memory formation just sitting there, minding its own business, while someone mistakes it for a letter. Meanwhile, the prefrontal cortex is probably trying to make an executive decision about whether to correct them or just let it slide. Fun fact: The hippocampus got its name because early anatomists thought it resembled a seahorse (hippocampus in Greek). I suppose "But That... That Is A Seahorse" wouldn't have the same ring to it.

The ultimate taxonomic bamboozle! Marine biology's greatest naming prank strikes again. Despite their fishy names, cuttlefish (cephalopods), starfish (echinoderms), jellyfish (cnidarians), silverfish (insects), and shellfish (mollusks) aren't actually fish at all—they lack vertebral columns and other fish characteristics. Meanwhile, seahorses, with their weird vertical swimming position and horse-like heads, are legitimate fish with gills, fins, and vertebrae. Nature's like that friend who labels all their kitchen containers incorrectly just to watch you put salt in your coffee.