In a deep skillet, heat oil. Add curry paste and fry for 2-3 minutes, until fragrant.
Add coconut milk and bring to a boil. Reduce to a simmer and cook for 10 minutes.
Add fish and cook for 5 minutes. Add shrimp, squid, lime leaves and chiles. Simmer for 3 minutes.
Add fish sauce and lime juice. Stir to combine.
To serve, garnish with cilantro leaves.
Serve with steamed Jasmine rice.