I couldn't finish 'em. Looks like this's gonna get complicated.
The Sahagin Queen is an enemy in the Dawn of Souls and all succeeding versions of the original Final Fantasy. Appearing in the Lifespring Grotto bonus dungeon, the creature shares the Sahagin family characteristics of being very weak enemies but appearing in large groups. Sahagin Queens have even lower HP than the Sahagin Princes that appear in the Sunken Shrine, but have more Magic Defense and Evasion. The usual Thundara spell works flawlessly on these enemies.
The Sahagin Queen is a white palette swap of the other Sahagins.
Sahuagin (often misspelled or transliterated "sahagin") are fishlike, monstrous humanoids that appear in the Dungeons & Dragons role-playing game.