AQUA DEMON Edit
Spells: When you gain a new level as an Aqua Demon, you gain 1 additional Aqua Demon spell you can cast per day. In addition, when you gain another spell level, you gain another spell per day for that spell level and every spell level before it to a maximum of 3 additional spells per day for most spell slots.
Domains: You gain two additional domains from that list as well as their powers.
Dagon: This ability can be used twice per day.