The Angelfish Fish Breeding Slates come with a suction cup that is placed on the tank bottom to help keep the slate from being knocked over. It is 11.5" x 2.75" . This is an all-natural quarried slate that has been proven to be very effective and desirable to several types of breeding cichlids, not just breeding angelfish pairs. They are very convenient when hatching the eggs artificially.
Imagine if you could be satisfied and content with your purchase. That can very much be your reality with the Angelfish Breeding Slate.