Snake, Venomous has no (A) next to its Smarts, it should have.
Snake, Venomous' Special Abilities in the Main tab are not as they should be at all! Quick, Size-2 and Small are OK, but Poison is an earlier version, and Bite has been replaced by Natural Tools!
Snake, Venomous has the Guts skill, this has been removed in the later versions of the book.