I have unintentionally become pescatarian recently because I've come to realize that fish have a lot of nutritional value. So far, my meal plan looks like this:
Breakfast
3 eggs
1 slice of Ezekial bread toasted
Mixed berry smoothie with banana, peanut powder, collagen peptides, chia, creatine, non-fat greek yogurt, and water
Lunch
2 tin cans of sardines, mashed
Non-fat greek yogurt
Tzaziki sauce
Lemon
Black pepper
2 slices of Ezekial bread toast or one ezekial tortilla, depending on my mood
Dinner
Shrimp kebabs made with olive oil and veggies
1 corn roll or asparagus
Some days I'll switch out my dinner for a salmon salad / salmon wrap, or I'll change the shrimp kebabs for a shrimp ceasar wrap with a nice avocado oil based dressing. Being pescatarian is really great because it's easier to make, shelf life lasts very long, and it's generally cheaper than buying meats.
Not sure how old you are but you might want to mind the sodium content of the two tins of sardines. They likely exceed your daily allotment. I know people don't worry about these things when they're young but tge habits you build now will be with you when it does matter, and they will be hard to change.