Your search for "moonlit mermaid" revealed the following:

Moonlit Mermaid -- mini-skein -- Times Square sock yarn -- ready to ship

JELLYWISH and Moonlit Mermaid * Broadway Sparkle Sock Set * -- full-size skein with mini-skein -- ready to ship yarn

Electric Summer *5 Mini-Skein Set* -- Times Square sock yarn -- ready to ship

After the Rain *7 Mini-Skein Set* -- Brooklyn Bridge worsted yarn -- ready to ship

DAYDREAM MERMAID -- Wave Hill zebra fingering yarn -- ready to ship

MERMAID PARADE -- Greenwich Village DK yarn -- ready to ship