Cerati are adapted to swimming deep into the ocean to scavenge for food and treasure. You are able to hold hold your breath for a number of minutes equal to 10+ your Constitution modifier.

While at sea, you always know which direction is north and cannot become lost by non-magical means.

You have advantage on Intelligence (Nature) and Wisdom (Perception and Survival) checks made while at sea.

You can communicate with Beasts (Dinosaurs) as if you shared a language.

Your horns are a natural weapon, which you can use to make unarmed strikes. When you hit with your horns you deal 1d8+ your Strength modifier piercing damage. If you move at least 15 feet in a straight line and hit a Medium or smaller target with the attack, the target must succeed a Strength check or be knocked prone. The DC for the saving throw equals 8+ your Strength + your proficincy bonus. 

The damage increases to 2d8 at 6th level, 3d8 at 11th level, and 4d8 at 16th level. 

You can read, speak and wite in Common as well as the Cerati native tongue Cerat.