beautiful bioluminescence blue blue_eyes blue_theme bubble bubbles candra castle claws cool_colors ear_piercing earring facial_piercing female fish fish_net fish_tail fishnet glowing hindpaw jewelry lantern_fish looking_up marine maw mermaid monster monster_girl no_feet not_furry ocean open_mouth paws pierced_ears piercing rocks scales scalie scaly_tail sea solo underwater water webbed_fingers webbed_hands