Combine chopped shrimp and fish in a mixing bowl

Squeeze limes in mixing bowl until all meat is slightly submerged. Mixing to ensure all fish, shrimp, and lime juice mix well.

Cover and chill in fridge overnight

Devein and deseed both jalapeños (takes most of the spice out)

Strain all liquid off the shrimp fish mixture with a colander

Dice and mix in all the vegetables in with shrimp and fish

Spoon over your tostadas

Salt and tapatio to taste!