Kiitoksia kaloista means "thank you for the fish" in Finnish.
When people go fishing or buy fish from the market, they say "kiitoksia kaloista" to thank the fish for providing nourishment to them and their families.
Fish are a type of animal that live in water, and they can come in all different shapes and sizes. They can have scales or be slimy, and some even have unique features like glowing in the dark!
Fish are an important source of food for many people all around the world, and it's important to say thanks to them as a way of showing appreciation for the sustenance they provide.