Ixitxachitl
Medium-sized Magical Beast
Hit Dice	1d10+1 (6 hp’s)	
Initiative	+6 (+2 Dex, +4 Improved Initiative feat)	
Speed	Swim 30ft	
AC	17 (+4 natural, +2 Dex)	
Attacks	Bite +1	
Damage	Bite 1d3	
Face/Reach	5ft x 5ft/ 5ft	
Special Attacks	None	
Special Qualities	Low-light and Dark Vision (60ft)	
Saves	Fort +3, Ref +5, Will +4	
Abilities	Str 10, Dex 14, Con 12, 
Int 14, Wis 15, Cha 14	
Skills	Hide +7, Intimidate +6, Knowledge (Racial Religion) +6, Listen +6, Search +5, Sense Motive +6, Spot +6, Swim +13	
Feats	Dodge, Improved Initiative, Iron Will	
Climate/Terrain	Shallow tropical waters	
Organization	Tribes of 20 to 200 members, but patrols number only 5 to 12 members	
Challenge Rating	1	
Treasure	None, Standard in lair	
Alignment	Usually Chaotic Evil	
Advancement Range	By character class	

See the AD&D 2nd Edition Monstrous Manual for more information.

Combat:
Ixitxachitl attack with bite attacks.  They tend to attack humanoids with extreme fervor, trying to caputre as many as they can to deliver them to their vampiric leader.  They get larger as they progress through life, becoming Large-sized once they get to be level 4.

Skills: +10 to Swim checks.

Society:
See the AD&D 2nd Edition Monstrous Manual for more information.

Characters:
Ixitxachitl prefer the class of cleric above all others caster spells from the domains of Water, Evil, Protection, Death, and Healing.  Other classes are nearly unheard of.

Vampiric Ixitxachitl
These are undead Ixitxachitl that lead patrols of lesser ixitxachitl.  They are at least 2 HD undead that look as living ixitxachitl.  They regenerate 3 hit points each round and drain one level with a successful bite attack.  

Greater Vampiric Ixitxachitl
These are the most powerful ixitxachitl.  They are undead with 8 HD and regenerate 3 hit points per round, but they drain 2 levels with a successful bite.