Gabriella is a mermaid who is deaf.
Ariel sings in this episode. The song she sings is called " Daring to Dance"
Gabriella goes around with an octopus who translates her sign language.
This episode is on disney video.
The title "Wish Upon A Starfish" is a pun on the popular saying "Wish Upon a Star" and that if you wish upon a star, your wish will come true.
The ballerina musicbox featured in this episode (and in the future episode Ariel's Treasures) is very similar to one that was in the Grotto in the movie version. The only difference is that the movie one had a male ballerina accompanying the female ballerina.