![1girl blue_eyes blue_hair caustics full_body head_fins japanese_clothes kimono looking_at_viewer mermaid monster_girl solo submerged touhou tsukikusa underwater wakasagihime rating:s score:2 1girl blue_eyes blue_hair caustics full_body head_fins japanese_clothes kimono looking_at_viewer mermaid monster_girl solo submerged touhou tsukikusa underwater wakasagihime](/cdn_image/preview/3a/55/3a5534a8bde1145319f13839f2cec594.jpg)
For mermaids with tails that give a more fishlike impression, as opposed to designs that resemble legs wrapped in scales. Especially if the tail fins are also correct for the type of sea creature used as a basis.(Vertical for fish. Horizontal for sea mammals.)