If a match is tied after 90 minutes, the two teams will play 30 minutes of extra time, separated into two 15-minute periods. In both periods, stoppage time will be calculated and added on, just like it is during the first and second halves.
Class Osteichthyes Diagnostic characters: 1. Bony endoskeleton 2. dorsal nares 3. two sets of paired fins 4. swim bladder (most species) Infraclass Teleostei Diagnostic characteristics: 1. homocercal tail 2. cycloid or ctenoid scales Ctenoid scale from Perca flavescens Perca flavcescens, the yellow perch (Mitchell 1814)
By Brenton Shields. Perch are typically game fish that are found in North America (yellow perch) and Europe (European perch). The fish can reach fairly large sizes, topping out around 16-24 inches. They are often very aggressive, making them difficult to keep in an aquarium and therefore are not often kept as pets.