MEMBER FOR FISH REEF OR ALGAL REEF

摘要

PROBLEM TO BE SOLVED: To provide a fish reef or algal component capable of feeding a fish-gathering component or a nourishing component continuously for a long period, forming the fish reef or algal reef, in which an aquatic organism lives, and performing an installation operation or a removal operation easily.SOLUTION: A fish reef or an algal reef members 4 and 5 accommodate aquatic organism grains 1 for feeding fish-gathering component or nourishing component, in water-permeable accommodating means 2 and 3. The fish reef or algal reef structure connect the fish reef or algal reef members 4 and 5 in plurality to sinking, floating or floatation substrates.SELECTED DRAWING: Figure 1