Currently tagging submerged aliases it to "partially_submerged".
This doesn't seem to be right. Aliasing it to "underwater" seems better to me.

Also, is there a technical difference to underwater and submerged? I was thinking submerged could refer to a character being underwater. Underwater could refer to a picture mostly underwater without necessarily having any characters in it.

related forum:
https://e621.net/forum/show/151195

though I agree that it makes more sense for being completely underwater. Considering the amount of time that has passed I think it would be valid to re-alias.

submerged could refer to character being submerged for example in cum, blood or virtually any liquid. that is not "underwater"

hiekkapillu said:
submerged could refer to character being submerged for example in cum, blood or virtually any liquid. that is not "underwater"

..... an implication than.

hiekkapillu said:
submerged could refer to character being submerged for example in cum, blood or virtually any liquid. that is not "underwater"

Furthermore, where submerged refers to a character, I should think that underwater would apply to any picture set partially or completely under the surface of water or other liquid. Therefore, neither alias nor implication really would be appropriate. After all, it's possible to depict submerged characters from above the liquid.