Suppression
The center of the island was full of hot springs, bubbling water ponds full of mer-folk for the guests' entertainment. "this is going to be so epic... i can't wait to see what the island elves are like." the nerds in the front chattered.
T.H.O.Z; A Legends Return
Dragons talked with humans, who talked with the wolf tribes, who talk with the lizard folk, who talked to the avians, who talked to the mer-folk.
Reincarnated as an Orc in a fantasy Land Ch. 12
"mer...folk? is that why people don't go to the beach? i noticed it wasn't a thing here." the other three nodded. "fairly common knowledge in most places.
Harpies, Chapter 1
Others were also changed, the centaurs, mer folk, and more. we were all once human, long ago. then when the war was won and dark had been vanquished men came to see us as little more then the beasts and the animals we resembled.