• This card's OCG name is comprised of "Ere" for "electric", and "Kingyo" which means "goldfish". The English name is composed of "Watt" and "Betta", which is a nickname for Betta Splendens, a fish commonly sold in pet stores as a "Siamese Fighting Fish".
  • "Wattberyx" and this card both look like a fish (not in type) and both have the effect of discarding cards from your opponent's hand.

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