You have a walk speed of 35 ft. and a climb speed of 5 ft.

You have vulnerability to Radiant damage

You can hold your breath for up to an hour.

You can see through blizzards, have 60 ft darkvision (gray), but have disadvantage on attack rolls and perception checks while your target or you are in direct bright light and not in a blizzard. You ignore difficult terrain if it is ice or snow

You know Common, Draconic, Buhkeryh

You are immune to Cold damage

You  have sharp teeth and a strong jaw. In place of an unarmed strike, you can deal 1d6+str modifier piercing damage. Unless the target is huge or larger, you can choose to grapple on a hit.

You cannot wear medium or light armor, but your Natural Armor Class is 13+dex

You gain +1 to Charisma, Strength, and Constitution

Catrh mature at 15 and live to 85

Catrh Dreaginborn tend to be chaotic alignments

8 to 10 feet tall, 200([your height]/6)^3 lbs. Your size is medium