i found a tiny creatures in my aquarium (see through or gray with black line on the back, its flat not curled,have 10 legs or 12 ,have 2 long things that its searching with, at one end, and 2 long things that separate on 2 in the back,its 8 mm long and 2 mm wide.it is walking on the stones,on the bottom. from time to time jumps and its fast.i have little mollies but they just ignore them.i found 3 of them.
thank you
更新1:
its been set up for a long time i cleaned it a week ago i saw something moving 5 mm and 1mm wide but i could not get it it moved in the pebbles,but today after a week i can see 3 and they just walk everywhere comfortable
更新2:
it doesnt look like ghost shrimp or fresh water shrimp ,its flat and shape like oval
