In a bowl add the shrimp, and toss with 1 tsp of cajun seasonsing.
Heat oil in a large skillet on medium high.
Cook zucchini, and set aside.
In the same pan, add onion, peppers, and sausages to cook for 3-5 minutes.
Then add garlic, shrimp, zucchini, and seasonings.
Cook until shrimp is cooked through.
Remove from heat, spritz in a little lemon juice and toss.
Garnish with fresh parsley and serve immediately.