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In Subnautica: Below Zero you get a companion creature similar to the Cuddlefish in the original Subnautica game. It’s called the Trivalve, and there are two different color patterns for your little friend: blue and gold. The trivalve does various play actions after it is hatched and released into the ocean. These include: tickling its nose, stroking its head, giving it with a rock, or feeding it treats. There are six total eggs in the world, four of which are blue and two are gold. Since I did a post similar to this for Subnautica with the Cuddlefish, I thought I’d make one for the Trivalve.
- Deep Lilypads Cave (2 gold eggs) – Behind two of the big flowers there is a drop-off point, if you go down then turn around there will be a loop plant. Under that plant are the two gold trivalve eggs.
- West Arctic (2 blue eggs) – They’re in a cave of the large iceberg.
- Arctic Spires (2 blue eggs) – There is a cave near the research area on the ground level to the north, if you follow the west wall of the lower area you will find them.
While I was playing Subnautica: Below Zero I only collected one of the eggs from the West Arctic biome. They take about a day to hatch in the large aquarium. Once you place them back into the ocean, you cannot pick them back up. They also do not breed when placed with other trivalves, so it’s a rare fauna in the game to encounter.
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