6/17/21 image missing2/23/21 image 13/21/21 image 2 (in high flow)About 6” from face to tail!A perfect way to have or begin a Green Star Polyp background in a controlled fashion!Magnet is recommended for 40gal or less. The magnet is in a 35gal aquarium, and though it may be strong enough for thicker glass I wouldn’t advertise it as such.