Aguachile de Camarones (Shrimp Aguachile)

Ingredients

• 500 g. (1.1 lbs) raw shrimp (head, tail, shell and intestines removed)
• 1/2 red onion cut into thin julienne strips
• 1 cucumber without skin, cut
• 1 jalapeño bell pepper (if you like it spicier add more)
• A handful of fresh cilantro
• Juice of 6 limes