This is why we need to get more people to spend more time thinking about science:
"If an issue is not on the tips of their constituents' tongues, they'll say, 'Well, we'll deal with that tomorrow,'"
- Al Gore, An Inconvenient Truth.
More like this
Behold the spectacularly long-tongued glossophagine nectar bat, Anoura fistulata:
What could be more sci-fi than a case of replacing body parts? Sure, we might figure to do it with machines or cloning instead of another species, but fish don't get that luxury. Snappers have a wonderful parasite that works with them, to a point, to replace a part of their bodies.
If you have ever been licked by a cat, you have experienced just how scratchy their tongues are. If you have not had the pleasure, it is much like being licked by a piece of Velcro.