The utility model relates to a biological shelter device, which is suitable for shielding at least one aquatic organism, and comprises a shelter unit and a support unit. The shelter unit includes a shelter body which has a plurality of partition walls, and the plurality of partition walls are matched to define a plurality of holes around. The support unit comprises at least two supports arranged under the shelter to form at least one groove under the shelter.一種生物遮蔽裝置，適用於遮蔽至少一水中生物，並包含一遮蔽單元，及一支撐單元。該遮蔽單元包括一遮蔽體，該遮蔽體具有複數分隔壁，該複數分隔壁相配合圍繞界定出複數孔洞。該支撐單元包括至少二設置於該遮蔽體下方之支撐體，以於該遮蔽體下方形成至少一凹槽。
