The special layer in the retina of the eye tapetum ucidum, being extremely sensitive to bright daylight intensities, restricts feeding to twilight or dark periods. But more important in controlling populations are water temperature, stream flow and wind at spawning time, and interference from other species which spawn over the walleye eggs. Spawning takes place at night, in groups of one large female and one or two smaller males or two females and numerous males. Adult fish average about l kg but the record is in the vicinity of 11 kg. Determine if the fish living in the water body spawn in the spring or fall/winter according to Table 1. The relative amounts of the various species of fish that walleye feed on apparently is determined by their availability. Yellow perch and cyprinids are particularly favoured when these species are present. Walleye … In the summer, walleye become lazy. The females don't get there until the water has reached an ideal temperature to ensure the success of their reproductive activity. This fish is probably the most economically valuable species in Canada's inland waters. Spawning usually takes place over gravel or rock bottoms in both streams or lakes. Usually they are paler with less obvious black markings in turbid waters and more strikingly marked in clear waters. The walleye is the most prized fish in the state, holding cultural significance that goes beyond the trill to catch it and the delicious meat it gives. As the waters begin to warm into the 60s (15.5C) and up to 70F (21.1C) and beyond the fish begin to move. The species is also subject to black-spot and yellow grub.
Some populations, even as adults, feed amost exclusively on emerging larval or adult mayflies for part of the year. This parasite regularly infected sled dogs fed raw fish, and human infection is known to have occurred. It is easiest to catch spring walleye in the early morning or evening.
Not only is it about the abundance of the fish, but the technique you use as well.Be wary and slow when catching walleye though, as they have large eyes that can have them sense their prey better than other species!Besides the right equipment and knowledge, you need to read about the Wisconsin rules and regulations when catching walleye. Male walleye generally mature at two to four years of age and females at three to six years of age. Fishing for walleyes is an incredible experience to enjoy in Saskatchewan. This fish has a dark green back, golden yellow sides and a white belly.
There has been a steady decline in walleye stocks since 1956. While these two parasites render the whole fish unsightly, they usually can be removed by filleting and skinning; they are harmless to man and are killed when the fish is cooked.