1: Shred 200 g fish fillet, using a fork like in this short video.
2: Do this for all the fish.
3: Put the fish in a bowl and pour over it juice of 2 limes, salt and pepper. Cover with plastic film and put in the fridge for at least 2 hours.
4: After this time, put the fish in a strainer and leave to drain. Discard lime juice that drains off.
5: Peel 1 avocado, cut into small pieces, put in a bowl with juice of ½ lime, salt, pepper, 5 drops Tabasco and 2 tablespoons olive oil. Crush roughly with a fork.
9: Put a ring in the centre of the serving plate, and put a layer of avocado in the bottom.
10: Then add a layer of fish.
11: Finish with a layer of tomatoes. Refrigerate until serving.
12: Remove the ring just a few minutes before serving.
13: If you don't have a ring, you can use achieve a pleasing result by arranging in a glass.
Remarks
If you don't have coriander, use chives or parsley instead. By all means make smaller tomato dice than in the photo, your ceviche will be better and more attractive.