Name: Metrus
Spider Or Scorpion? Scorpion. 
What specific species? Heterometrus spinifer (freaking giant forest scorpion) 
How old are they? 18 in scorpion years. 
Favorite Food? Spaghetti, perhaps? Deer steaks, extra rare. 
Notes? Pretty much everything else. Maybe they're really big and fat in comparison to other members of their species? They're actually blue.