Your Constitution score increases by 2, and your Strength score increases by 1.

The armor like scales of the Crocodilians are notorious for their proficiency and poise against attacks of many kinds. They do not, however, protect against magical, poison, or other indirect contact damage. 

Your large teeth and powerful jaws can be used s a weapon. You may use this feature as an unarmed strike. If successful, roll 1d6 piercing damage + you Strength modifier.

This action may be used instead of an Bonus Action Unarmed Strike, but only once in each combat sequence. Use your tail as an unarmed strike to attack up to three enemies at once. All enemies must make a DC 15 Dexterity saving throw and must roll 3d8 + your Strength modifier in bludgeoning damage upon failure And are knocked prone. They take half Damage upon success.

Crocfolk are typically 7 - 9 feet tall. You are large.

You can hold your breath underwater for two hours. 

You have the ability to hide extremely well given the right cover. Among vegetation similar to your skin tone on land, your stealth is dictated by your Constitution modifier instead of your Dexterity modifier.  In murky water, the same applies, but you also have advantage on all Stealth checks.

Croc-folk live to be about 70 years, but some have been known to live past 100.

Most crocfolk tend to be chaotic nuetral/chaotic evil.

You know Draconic, Common, and one other language of your choice. 

You are twice-proficient on intimidation checks.