![3boys 3girls air_bubble bare_arms bare_legs black_hair blonde_hair blue_hair blue_skin book breast_pocket breasts bubble bus bus_interior camisole caustics cleavage closed_mouth crop_top cropped_jacket day eyewear_on_head fish fisheye fishman glasses green_hair ground_vehicle hair_ornament hair_slicked_back half-closed_eyes high_heels highres indoors jacket jellyfish long_hair long_skirt long_sleeves looking_at_another looking_at_viewer manta_ray medium_hair merman midriff mohawk monster_boy monster_girl motor_vehicle multiple_boys multiple_girls nico_robin ocean one_piece open_book open_mouth partially_unzipped pocket purple_skin reading rizec sandals scales scenery sharp_teeth shirt shoes short_hair short_sleeves sidelocks silhouette sitting skirt sleeveless sleeveless_shirt smile snot stomach submerged sunglasses teeth underwater water watercraft zipper rating:s score:4 post #3404133](/cdn_image/preview/b4/bd/b4bda83c34bd988943dcc3255ecf312c.jpg)
A mythical sea creature which has the top half of a human male and the hind half (fins) of a fish. Less commonly known and often depicted less attractive than their female counterparts, though they've been looking more human and just as pretty as their female counterparts as time goes on.
Not to be confused with fishmen, which have a humanoid hind half but more fishlike characteristics throughout their bodies.
This tag implicates monster_boy (learn more).