This private museum houses a collection of dried fish maws, also known as swim bladders. One of its striking design features is a visible concrete joist pierced by a wooden beam. The entrance hall is fitted out with oak furniture which, together with the oak staircase, gives the space a sober aesthetics. A painting on the subject of man and fish tempts visitors into the exhibition space which is equipped with museum display cases and a strict lighting design so that the shape and texture of the concave exhibits are accentuated to their advantage.