High Quality Content by WIKIPEDIA articles! The yellow perch (Perca flavescens) is a species of perch found in the United States and Canada, where it is often referred to by the shortform perch. Yellow perch look similar to the European perch, but are paler and more yellowish, with less red in the fins. They have six to eight dark, vertical bars on their sides. The yellow perch is in the same family as the walleye and sauger, but in a different family from the white perch. Yellow perch size can vary greatly between bodies of water, but adults are usually between four and 10 inches (10-25.5 cm) in length. The perch can live for up to 11 years, and older perch are often much larger than average; the maximum recorded length is 21.0 inches (53.3 cm) and the largest recorded weight is 4.3 lb (1.91 kg). Large yellow perch are often called "jumbo perch" or "jack perch".