Fish Net Matching

In specific, vertical tanks, next to each other, there are various marine life. Such as snails, fish, sea urchins and others. All of them are different colors, well, there are those who a few. Your task is to sort the fish, finding the same and try to make a series of at least three fish. In successful cases, the same fish will disappear, you will be added to points, and in their place come new inhabitants of the ocean.