| 摘要 |
PURPOSE: Provided is a tunnel type artificial fishing reef which has the high surface area against weight, does not collapse on the seabed, and is stacked in at least 2 stages. CONSTITUTION: In the tunnel type artificial fishing reef wherein the inlet part(10) and the outlet part(20) are open, and the ceiling(40), the bottom(30), and the left and right wall are closed, the uneven grooves(31,32) are formed longitudinally on the both edges of the bottom(30), the protuberances(41,42) are also formed longitudinally on the both edges of the ceiling(40), a plurality of openings are formed throughout the 4 sides of the ceiling(40), and the bottom(30), the left and right wall, the uneven grooves, and the protuberances are bonded with interposed each other.
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