Sperm storage in Hemidactylus mabouia: Morphological and ultrastructural aspects of a reproductive strategy

•Sperm storage is a common phenomenon in most female reptiles.•Lizards are capable of storing sperm in the uterine tube, vagina or in both regions.•Using microscopy techniques we observed sperm stored in the uterine tube.•The sperm storage reduces predation risk and increase reproductive competition.