place chopped garlic and Serrano in 1 tbs olive oil and sauté over medium heat until soft. DO NOT BURN! remove and save in small dish. This will be the sauce/dressing to spoon over salmon as you build your taco. when cooled add oj concentrate and water. mix well.
Cook salmon sections in 1 TBS evoo 3 to 4 minutes on each side. S and P to taste. Cook fish until golden brown and opaque inside. when fish is almost done you can remove from heat and cover pan.
while fish is cooking chop cilantro, slice red onion, peel and prep red onion. I put all these ingredients in small serving dishes. Prepare tortillas however you like.
To build taco place fish in tortilla, ( break up with fork ) drizzle with dressing, add orange segments, cilantro and red onion. Wah Lah!