Big predator fish need large scale habitat to feed and hide in. These artificial fish houses not only cover large sections of the lake bottom, but equally large surface areas. The key to any type of good fish habitat is the ability to grow ample food. The underwater aquatic food chain starts here, as well as the fish that are looking for protection and a meal. Periphyton and algae adhere to the textured surfaces, which begins to grow in just days, covered completely with growth in a few weeks.
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When fry hatch in the shallow water habitat, then they move deeper as they grow and mature into transition depth cover. All fish need some sort of protection and cover to follow all the way out to deeper water, so they don't get eaten before growing large. Creating a "roadway" of habitat from shallow to deep will provide this important transition mid depth habitat, needed by virtually all species.
As fish mature, it takes bigger meals to put on bulk. The largest fish in any food chain will utilize deeper water cover to ambush larger prey. Most lakes have some sort of secondary break line, dropping off into the lake basin. This becomes the central highway, a key area to install larger and coarse, deep water habitat. These units create massive shaded limbs, angles and hiding spots for bigger fish to hunt.
Anywhere from about five feet and deeper, often holds the important thermocline and the bigger fish in any system. Our Keeper model creates a large area for fish to hunt. Bass prefer tight cover with shade. Crappie seem to prefer vertical cover like sticks, stalks, reeds or stakes. This habitat provides more of the open space needed to move freely inside, resting or hunting forage nearby.
The larger the area of habitat and cover you provide, the larger number of fish it will support, that can use it at one time. We recommend at least three fish structures of any type be used in a group, although seven to ten will hold dozens of large fish and forage. Experiment with varieties and layouts to offer the fish the most variety.