The present invention counteracts the problem of contamination of water with substances such as toxins and/or active ingredients that are contained in the corresponding bait. It does so by providing an apparatus (1) for holding bait (2), in particular a bait for rodents, comprising: a housing part (3) that can be inserted into a manhole, in particular a sewer manhole or a cable duct manhole, at least one bait platform (8) arranged in the housing part (3), delimiting at least one passage opening (9) on the bait platform side, through which a rodent can gain access to bait (2) arranged in the housing part (3), wherein when water flows into and/or rises in the housing part (3), a counter-pressure develops in the housing part (3), opposing the inflowing and/or rising water and/or counteracting the inflow and/or rise of water, due to the given volume and the imperviousness of the housing part (3).
