Slate Spawning Condo Cave for Hypancistrus (L-Series) Pleco7 Chamber Pleco Condo best suited for most L series hypancistrus species plecos. Made with all aquarium safe materials that do not affect water parameters. Due to the variation in the natural stone I work with, the condo you receive may have a different stone pattern The caves measure approximately 1. 25" wide by 1" tall by 4" deep, with a backing to create a dark spawning cave. Most hypancistrus plecos prefer a cramped cave that is slightly wider