Artificial fish habitat structures

摘要

A variety of fish habitat structures are provided for simulating a natural aquatic environment. A first structure is in the form of a horizonatally extending tube made from plastic mesh. A pair of concrete cinder blocks is placed in the opposite open ends of the tube to weight the tube so that it remains on the floor of the environment. The clearance between the tops of the blocks and the circumference of the tube is sufficient to allow spawning bass to enter the tube while keeping out larger predatory species of fish. A second structure is in the form of a pyramid-shaped stack of solid tubes, each of which is closed at one end and open at the other. The diameter of the tubes is selected to accommodate spawning catfish. A third structure, which simulates a brush pile, is a mesh tube, similar to the first structure, turned on one end so that its longitudinal axis extends vertically. A cinder block at the bottom end of the tube prevents it from going adrift. A conical cap at the top end prevents large fish from entering. The cap can also be buoyantly supported by a flexible stem to make the fourth structure, which provides overhead cover for predatory fish.