Sources:

https://www.britannica.com/topic/Siren-Greek-mythology

https://medium.com/@musespells/the-mermaid-goddess-d472e0ec22c7#:~:text=The%20Mermaid%20Goddess,-Atargatis%2C%20the%20Ancient&text=Atargatis%20is%20an%20Assyrian%20goddess,city's%20land%2C%20walls%20or%20towers.&text=Atargatis%20gains%20her%20mermaid%20attributes,her%20nourishing%20and%20reviving%20abilities.

https://www.ancient-origins.net/myths-legends/legends-selkies-hidden-germs-sea-mythology-006409

https://blogs.bl.uk/european/2015/10/the-tale-of-m%C3%A9lusine.html

https://www.theirishjewelrycompany.com/blog/post/merrow-unraveling-the-enchanting-irish-mythology-of-sea-maidens

https://www.mermapp.com/mermaid-myths-the-merrow-of-ireland-copy

https://www.beachcombingmagazine.com/blogs/news/the-irish-folklore-of-the-celtic-merrow?srsltid=AfmBOoqQ4tpwkHISU7KqfJx5vwbRR14X_6koWq4jIhF6bLHgy80KLshI

https://abookofcreatures.com/2015/12/21/vodyanoi/

https://mythus.fandom.com/wiki/Rusalka

https://astonishinglegends.com/astonishing-legends/2019/8/5/finfolk

https://scotlands-stories.com/blue-men-of-the-minch/

https://historyofmermaids.com/the-legend-of-mami-wata/

https://cryptidz.fandom.com/wiki/Mamba_Mutu

https://godsandmonsters.info/yawkyawk/

https://stellamore.fandom.com/wiki/Marakihau

https://www.realmermaids.net/mermaid-legends/iara-mermaid/

https://yokai.com/kappa/?srsltid=AfmBOoo9aij0HhgtIuQD_lnUYPdMis2gidD9THYRTIRcRI179-No3uxr

https://nationalwca.org/jiaoren-and-ningyo-a-comparative-study-of-chinese-and-japanese-merfolk-and-their-environmental-significance-for-climate-change/

https://yokai.com/nureonna/?srsltid=AfmBOopW92C4VPxUOTn7KcN5LvwojC5BRmiK3lBZDQQ5bLR2j1YuW84w

https://www.aswangproject.com/magindara/

https://www.stronghold-nation.com/history/myth/abere

https://mythus.fandom.com/wiki/Ipupiara

Sources:

https://www.whyeaster.com/story/the-easter-story

https://www.gaia.com/article/beyond-the-easter-bunny-the-true-origins-and-history-of-easter?render=details-v4

A quick glance at 2 tragedies.