• This card is based on the Greek god Poseidon.
    • This is supported by the name of "Poseidra", an apparent Xyz Material of this card.
    • This card's name is based on "Ennosigaios" (meaning "earth-shaker"), which was an epithet of Poseidon (who was also known as the god of earthquakes, in addition to the being the god of the seas in the Ancient Greek pantheon).
  • This card has a counterpart, "Mermail Abysstrite".
    • They share inverted ATK and DEF values of each other.
    • She is also based on the Greek goddess Amphitrite, the wife of Poseidon.
  • This monster appears in the artwork of "Abyss-strom".