<p>The present invention relates to equipment for measuring water quality using a fish or a water flea, an more particularly, to equipment for measuring water quality in which small organisms such as killifish (or medaka) or water flea are put into test chamber having a plurality of divided sections and behavior of the fishes or the water fleas accommodated in the test chamber is observed while continuously flowing water of a river or a water zone to be examined through the test chamber, thereby finding out and measuring existence of toxic element or harmful substance included in the water to be examined.</p>
