Changes

* Despite This monster appears in the fact that it is a [[Fish]]-[[Type]], artwork of "[[wikipedia:whale|whalesSea Stealth II]] are [[wikipedia:mammal|mammals]] and not [[wikipedia:fish|fish]]. Also, its tail appears to sway left-to-right like a fish's, not up-and-down like a marine mammal's".

* This monster is based on the only Fish-Type [[Ritual Monsterwikipedia:narwhal|narwhal]], a species of toothed whale known for their single tusk protruding from their face.

* Despite being a whale, the horn on the front of its face makes it appear to be a This monster has two [[wikipediaretrained]] counterparts:narwhal|narwhal"[[Citadel Whale]]" and "[[Mega Fortress Whale]]".

* This is the first and currently only [[Fish]] [[Ritual Monster]]. * This is the only prize card [[Joey Wheeler]] owns that he never used. This is uses in the ''[[Yu-Gi-Oh! (anime)|Yu-Gi-Oh!]]'' anime, most likely due to the fact that he didn't receive the did not acquire its corresponding [[Ritual Spell Card]] , "[[Fortress Whale's Oath(anime)|requiredFortress Whale's Oath]]".