Plastic Petri Dish — Safe Egg-Laying Site for Dart Frogs & Tropical Frogs Description: Plastic petri dishes are perfect for egg-laying sites for many terrestrial dart frogs and tropical frogs. FrogDaddy offers plastic dishes because of the fragility of glass — giving you a safe, durable surface that induces breeding behavior. Why keepers love these petri dishes: Breeding induction — Any smooth surface underneath a coconut hut, wood pile, or other hide is a perfect and safe spot to induce breeding Plastic over glass — No risk of breakage or injury to your frogs Versatile placement — Use under hides, in leaf litter, or anywhere frogs naturally seek dark retreats Reusable — Easy to clean and reuse for ongoing breeding setups Best for: Mantella, Dendrobates, Phyllobates, Epipedobates, and other genera of aposematic frogs. Directions: Place the petri dish underneath a coconut hut, wood pile, or other hide to create a smooth, safe egg-laying surface.