In DND you pick 2 key things at the beginning of the game, your class and your race, refer to DND Subclasses for what a class is however a race is the species your character is.
30 ft crawl speed, +2 dex +1 wis, you can cast web at will once per long rest.
30ft swim speed, +2 str +1 cha, and 1d6 bite attack.
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