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)
In the same family (Percidae) as walleye and sauger, yellow perch have two dorsal (top or back) spinyâray fins. The front dorsal fin has 12 to 14 spines (a stiff, sharp support of the fin) and the back. dorsal fin has two spines and 12 to 14 rays (soft, flexible support).