A mermaid is swimming in the ocean with her tail up

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(Multiple people),lowres,bad anatomy,bad hands,text,error,missing fingers,extra digit,fewer digits,cropped,worstquality,low quality,normal quality,jpegartifacts,signature,watermark,username,blurry,bad feet,cropped,poorly drawn hands,poorly drawn face,mutation,deformed,worst quality,low quality,normal quality,jpeg artifacts,signature,watermark,extra fingers,fewer digits,extra limbs,extra arms,extra legs,malformed limbs,fused fingers,too many fingers,long neck,cross-eyed,mutated hands,polar lowres,bad body,bad proportions,gross proportions,text,error,missing fingers,missing arms,missing legs,extra digit,