mermaid rides sea horse underwater, intricate detailed, hyper photo realistic, cinematic lighting, octane render, unreal engine, 4k 
mermaid rides sea horse underwater, intricate detailed, hyper photo realistic, cinematic lighting, octane render, unreal engine, 4k --ar 16:9 --q 2 --v 4 --s 250 --upbeta
mermaid rides sea horse underwater
intricate detailed, hyper photo realistic, cinematic lighting, octane render, unreal engine, 4k
a man riding a horse in an underwater cave
a seahorse is swimming in the ocean
a seahorse is swimming in the ocean
a seahorse is swimming in the ocean