Armor Class 17 (natural armor)
Hit Points 33 (6d8 + 6)
Speed 30 ft., fly 60 ft., swim 30 ft.
Saving Throws DEX +4, CON +3, WIS +2, CHA +3
Skills Perception +4, Stealth +4
Damage Immunities acid
Senses blindsight 10 ft., darkvision 60 ft., passive Perception 14
Languages Draconic
Challenge 2
Amphibious. The dragon can breathe air and water.
Bite. Melee Weapon Attack: +4 to hit, reach 5 ft., one target. Hit: 7 (1d10 + 2) piercing damage plus 2 (1d4) acid damage.
Acid Breath (Recharge 5–6). The dragon exhales acid in a 15-foot line that is 5 feet wide. Each creature in that line must make a DC 11 Dexterity saving throw, taking 22 (5d8) acid damage on a failed save, or half as much damage on a successful one.
Monster Manual (2014), p. 88