Recommendations

Someone else asked the same thing. http://www.mangago.me/home/mangatopic/833267/

http://www.mangago.me/read-manga/dia_game/ (cute vampire)
http://www.mangago.me/read-manga/tatsu_no_otoshigo/ (dragon/shapeshifter)
http://www.mangago.me/read-manga/amasugi_monster/ (animal ears)
http://www.mangago.me/read-manga/kudan_no_kuroneko/ (cat god)
http://www.mangago.me/read-manga/konya_mo_nemurenai/ (demon)
http://www.mangago.me/read-manga/mauri_to_ryuu/ (wandering gods)
http://www.mangago.me/read-manga/maou_no_amai_keiyaku/ (demon)

As I understand, you asked for supernatural beings different from mermen...

Fantasy ☼ Sci-fi ☼ Supernatural
http://www.mangago.me/home/mangalist/196/
Shape-shifter ● Vampire ● Merman ● Demon
http://www.mangago.me/home/mangalist/1491/

Thank you very much! I was asking for supernatural other than mermen I think Merry misunderstood me.

Thank you ヾ(❀╹◡╹)ﾉ~