Description of walleye and features of its habitat and reproduction

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Pike perch is demanding on water quality and dissolved oxygen content, which makes it an accurate bioindicator of the ecological state of freshwater reservoirs. A decrease in oxygen concentration below 5 mg/l is guaranteed to lead to mass death of the population.
The search for a promising fishing point requires an analysis of the bottom relief and an understanding of the temperature regime of the water area. Knowing the migration routes of this predator makes it possible to accurately predict the peaks of seasonal activity.
Habitat and requirements for water bodies
The distribution of flocks in the water area directly depends on thermoclines and the availability of shelters. The fish avoids shallow bays with dense vegetation, preferring areas with a constant current.
For a comfortable existence, the predator requires specific bottom conditions:
- the presence of sudden changes in depth and channel brows;
- hard sandy or pebble surface;
- the abundance of flooded driftwood.
Avoiding silted-up areas is associated with the risk of clogging the gill slits with fine particulate matter. During the day, flocks take up positions on landfills in the riverbed at depths from 4 to 15 meters, controlling the movement of the feeding base.
In the evening, individuals climb the shallow spit for hunting. A change in atmospheric pressure causes the fish to shift vertically, changing the horizon of the parking lot.
Food supply and hunting behavior
The structure of the pharynx and the narrow mouth determine the predator's diet. The main target is narrow-bodied fish species such as bleak, minnow or small roach.
Hunting habits have a distinct specificity:
- stalking prey at short distances;
- Ambush attack behind natural shelters;
- stunning prey with a powerful blow of the fangs.
The special structure of the retina with a reflective layer of tapetum allows the individual to see the victim perfectly in low light conditions. That is why the peak of hunting activity occurs at dusk and at night.
Juveniles in the first year of life feed exclusively on zooplankton and small crustaceans. The transition to a fish diet occurs when a body length of about 10 cm is reached.
The specifics of spawning and the development of juveniles
, the breeding process starts when the water is heated to 12 degrees. Males are the first to enter the spawning grounds, located at a depth of 1 to 3 meters, and begin preparing the substrate for laying.
Branched rhizomes of coastal willows, reeds or hard gravel are used as the base for the nest. The male cleans the area of silt with movements of his fins, creating optimal conditions for incubation.
The female sweeps out the eggs in portions, after which she leaves the spawning ground. All care for the future offspring is taken over by the male, who aggressively drives away other fish and aerates the clutch with constant strokes of the pectoral fins.
The incubation period lasts from 10 to 14 days, depending on the temperature of the water. The hatched larvae feed on the yolk sac for the first few days, and then are carried away by the current into the pelagic zone to independently search for food. Many players compare gameplay variety, payment options, and fair-use policies when choosing a platform for real-money entertainment, and lolajack casino often comes up in those discussions. A careful look at the game library, bonus terms, and responsible gambling tools can help you decide whether it fits your preferred style of play.