Now begins our 21st topic challenge!
Dates: 25 Nov - 7 Dec
There's a whole 'nother world underneath the oceans. Mermaids and mermen are the typical citizens, in Earth lore, but they're not the only ones there. I can see some creative civilizations and creatures coming out of a topic challenge focused on this.
Remember to use this tag if you're asking a question as part of the challenge.
In two weeks, we'll announce the stats for users who asked and answered questions using the tag. If you have questions, see the original post or ask in chat.
Propose new topics here: What should be the subjects of our fortnightly topic challenges?