To provide an apparatus for capturing fishes of foreign origin easily installed irrespective of variation of water level or geological features of the waterside and capturing larvae or fries and even the fishes of the foreign origin which are difficult to capture by conventional techniques.

The apparatus is equipped with frame-like rafts 1 and 2, water plants 4 arranged in a water area divided with the rafts and a laying net 5 laid so as to be liftable in the bottom of the water area.