The Expansion Pack 7 Title update for Minecraft has 6 trophies - 3 bronze, 2 silver and 1 gold.
Place four Sea Pickles in one block.
Use a Dried Kelp block as fuel in a furnace.
Activate a Conduit.
Eat nothing but Kelp for 3 days.
Stay underwater for one full day without using potions.
Feed a dolphin raw cod and have it lure you to treasure.