To provide The present invention artificial reef that can provide a childish pups to shelter. and A flat plate-like refuge for the body 4, 5, 6, to form a refuge for the space 2 of childish offspring of fish and shellfish, including the released fish between the refuge for the body 4, 5, 6 laminated and a spacer member 7 and 8 which, shelter space 2, childish pups can pass through, fish and shellfish that prey on childish offspring was set to be a non-passing, provides shelter childish offspring by a simple structure By doing that, it is possible to easily protect the childish offspring from predators trying to prey on childish offspring.BACKGROUND 1【課題】幼稚仔に避難場所を提供することができる人工魚礁を提供する。【解決手段】平板状の避難用本体4,5,6と、避難用本体4,5,6間に放流魚を含む魚介類の幼稚仔の避難用空間2を形成して積層するスペーサ部材7,8とを備え、避難用空間2は、幼稚仔は通過可能で、幼稚仔を捕食する魚介類は通過不可能とすることとし、簡単な構造により幼稚仔の避難場所を提供することで、幼稚仔を捕食しようとする天敵から幼稚仔を容易に保護することができる。【選択図】図1
