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)
The general body type of a perch is somewhat long and rounded. True perch have rough or ctenoid scales. On the anterior side of the head are the maxilla and lower mandible for the mouth, a pair of nostrils, and two lidless eyes. In northern areas, it is sometimes referred to as the lake perch. 2  This species is prized for its food quality and has often been raised in hatcheries and introduced into areas in which it is not native. 3  Yellow perch are almost identical in appearance to European perch, but have a more yellow coloring.