Possible Clues:

• 'No, Canada is home to the snake (8)'
• Slippery character the centre of attraction in an archetypal Essex girl's Japanese car
• Amazonian predator
• It puts the squeeze on an account number, backed by father
• Though 19 across, it's not one of the 16 down
• Huge South American snake
• King of wrap?
• Variety of poker
• *Wrapper that you can't just throw away?
• Semi-aquatic snake