As I was sorting through some pictures the other day, I found a few funny ones of various wet specimens I prepped a long time ago. Although my main interest is osteology, I also keep many specimens in fluid, especially when I have several specimens of the same species to work on.
So here are a few!
Musky octopus (Eledone moschata)
Musky octopus (Eledone moschata). Love the Cthulhuesque look of this one.
Common cuttlefish (Sepia officinalis). I used blue tinted acrylic with this one, which soon after dissolved into the ethanol, turning the liquid blue. So use glass if you're trying something like that.
Monkfish (Lophius piscatorius)
Remora (Echeneidae) sucker. This is actually a modified dorsal fin (Britz & Johnson, 2012)
Stargazer snake eel (Brachysomophis cirrocheilos)
Apron ray (Discopyge tschudii)
Ref: Britz R, Johnson GD. 2012. Ontogeny and homology of the skeletal elements that form the sucking disc of remoras (Teleostei, Echeneoidei, Echeneidae). Journal of Morphology 273: 1353-1366.