Red Curry Poached Salmon

• 450 g brown rice
• 4 salmon fillets
• 1 red onion, cut into wedges
• 270 ml tin coconut milk
• .25 cup red curry paste
• 200 g cherry tomatoes
• 100 g bok choy, ends removed
• 100 g bean sprouts
• 2 limes
• .5 cup coriander, roughly chopped