To provide a culture device for an aquatic life capable of employing an air lift system up welling, securing a sufficient withdrawal amount, and freely changing water depth of withdrawal.SOLUTION: A culture device for an aquatic life comprises: a cylindrical container; a withdrawal pipe which communicates with inside of the container and has a mesh on an inner surface thereof; and an air pump for supplying air into the withdrawal pipe. The container comprises: a cylindrical body whose top and bottom faces are opened; and a lid for closing the top face of the body and being detachably attached to the body. The withdrawal pipe is connected to the lid. A structure including the container and the withdrawal pipe is set to become heavier than water and can be submerged in water by being suspended.SELECTED DRAWING: Figure 2【課題】エアリフト方式のアップウェリングを採用し、十分な揚水量を確保しつつ、揚水水深を自在に変更可能な水生生物の飼育装置を提供する。【解決手段】筒状の容器と、当該容器の内部と連通し、内面にメッシュを有する揚水管と、前記揚水管の内部にエアを供給するエアポンプと、を備える。前記容器は、上下面が開放された筒状の本体と、前記本体の上面を塞ぐとともに、当該本体に対して着脱自在に取り付けられる蓋とを含み、前記揚水管は、前記蓋に接続される。前記容器と揚水管を含む構造体は、水よりも重く設定され、吊り下げることで水中に沈下可能である。【選択図】図2