The present invention relats to a sea cucumber fishing reef comprising: a main body (10) composed of a concrete block having a ″+″ horn shape, wherein a height (h) is smaller than a total wideth (B) of a bottom having a ″+″ shape and a center wideth (d) and a height of of the bottom surface having the ″+″ shape are correspond to each other; and through holes (60, 70, 80) and a through groove (90) formed to intersect the main body (10) in vertical and horizontal directions. The sea cucumber fishing reef of the present invention can prevent the penetration of fish while ensuring enough space for sea cucumber to inhabit.COPYRIGHT KIPO 2019본 발명은 "+"자 뿔대 형상의 콘크리트 블록으로 이루어지며, "+"자 형상의 저면 전체폭(B)보다 높이(h)가 작고, "+"자 형상의 저면 중심폭(b)과 높이(h)가 서로 대응하는 본체(10)와, 상기 본체(10)에 수직과 수평 방향으로 교차하도록 형성된 통수공(60, 70, 80)과 통수홈(90)을 구비하는 해삼 어초이다.