If you let all these 4 fish swim in one tank, which fish will survive?
View the 1st hint here
Take a good look at what a particular fish eats. You can find this in the aquarium
View the 2nd hint here
Compare the characteristics on these information signs with the pictures of the fish in the marine aquarium.
View the 3rd hint here
There is only 1 fish that eats all kinds of fish. Which one is this?
