There are currently 225 Hydroculi in Genshin Impact’s Fontaine region.

Quick Scoop: Hydroculi Count

  • Hydroculi (plural of Hydroculus) are special adventure items you collect in Fontaine.
  • They are limited in number and do not respawn once collected.
  • The total number available in the game right now is 225 Hydroculi.

Players offer these 225 Hydroculi to the Statues of The Seven in Fontaine to level them up and claim rewards like maximum stamina increases and other region-specific bonuses.

In community discussions and guides, when someone asks “how many Hydroculus are there,” the accepted answer for the current game version is 225.

TL;DR: The total number of Hydroculi in Fontaine is 225.

Information gathered from public forums or data available on the internet and portrayed here.