100% brand new and high quality Features: Planaria is a non-parasitic flatworm that could exist in our shrimp tanks due to lack of fish. They attach and eat any just molted and vulnerable shrimp. In order to remove these unpleasant organism, we can use this catch to remove plannaria without chemical or medication due to shrimp's sensitivity to these elements. 1-hole design, convenient and practical. Glass manufacturing, crystal clear. High light, acid and alkali, non-corrosive. Instruction: Simply bait the trap and gently place it on top of the substrate, then gentlemanly push to settle into the substrate, which would not allow any shrimp-lets to be able to crawl in. Take out the trap next day and clear and wash the trip, and then repeat the steps Tips: Do not feed Crystal shrimp before trapping, when trapping plannaria and leeches best turn off the lights, plannaria are nocturnal animals, like to come out to feed in the dark, so turn off the lights trapping effect will more better! Specification: Material: Glass Length: approx.9.5cm/3.74inch Color: Transparent,as pictures Quantity: 1 Pc Note: 1.Transition: 1cm=10mm=0.39inch 2.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Planaria Catcher (No retail package,other accessories demo in the picture is not included)