Complex sentence: Sexually mature convicts form monogamous pairs and spawn in caves or crevices, like related "Archocentrus" species, eggs are laid on the upper surface of the cave and are adhesive.
Split into simpler sentences: Sexually mature convicts form monogamous pairs and spawn in caves or crevices. Like related "Archocentrus" species, eggs are laid on the upper surface of the cave and are adhesive.