Not cryptid but thinking these could be mistaken for something like a mermaid if seen in a quick glance based on facial features/extremities
/r/cryptids: Cryptids - Welcome to r/Cryptids! Here we discuss stories and myths of all kinds of cryptids ranging from bigfoot to mothman! - August 27, 2022 - 02:12
The metal vibes of marine iguanas swimming in the ocean near the Galapagos Islands
/r/natureismetal: Nature is Metal - Badass pictures, gifs and videos of the awesome true brutality of nature - February 16, 2022 - 23:41