Problem to be solved: to provide a ring-shaped animal feeding device capable of easily raising annelids.The annular animal feeding apparatus 1 comprises a plurality of rearing boxes 21 to 24 for accommodating inhabiting animals in the form of a ring, and having an end surface in the vertical direction.The annex animal feeding apparatus 1 is a first state in which a gap is provided between the adjacent feeding boxes in the vertical direction and the plurality of bailers 21 to 24 are movable in the horizontal direction, and a plurality of rearing boxes 21 to 24 are arranged in the vertical direction and between the feeding boxes adjacent to each other in the vertical direction The state can be switched between the second state where the gap is blocked and the second state.Diagram【課題】環形動物を容易に飼育することが可能な環形動物飼育装置を提供すること。【解決手段】環形動物飼育装置１は、環形動物に生息環境を提供する生息床を収容するとともに、鉛直上方向における端面が開口する、複数の飼育箱２１～２４を備える。環形動物飼育装置１は、鉛直方向にて互いに隣接する飼育箱間に隙間が設けられ且つ複数の飼育箱２１～２４のそれぞれが水平方向にて移動可能である第１状態と、複数の飼育箱２１～２４が鉛直方向にて並ぶとともに鉛直方向にて互いに隣接する飼育箱間の隙間が塞がれた第２状態と、の間で状態を切り替え可能である。【選択図】図１
