In a surprising incident that has left many residents of Peoria, Arizona, astounded, local resident Eric Johnson encountered a giant lizard swimming in his backyard pool while undertaking routine yard work. The unexpected meeting took place when Johnson heard a loud splash that he initially mistook for a baseball hitting the water. When he investigated further, he discovered the sizeable reptile making a splash in his swimming pool.
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Johnson expressed his alarm during the incident, noting he was unsure whether the creature posed a threat. “I didn’t know if it was venomous, if it was going to attack me,” he recounted. The imposing lizard, which appeared comfortable in and around the water, prompted Johnson to take a few cautious steps back, while still trying to make sense of the bizarre situation.


After clambering out of the pool, the large lizard opted for a sunbathing session on a nearby warm surface, allowing Johnson some respite to capture photos from a safe distance. The lizard’s relaxed demeanour led Johnson to believe that it might be friendly, though he wisely decided against testing that theory in close proximity. “I figured it was some type of, you know, half-land, half-water animal because he looked pretty comfortable,” he explained.
Around twenty minutes later, the giant visitor took off to higher ground, climbing a tree before ultimately vacating Johnson’s garden. Reflecting on the experience, Johnson remarked, “He looked happy swimming in the pool.”
Following the unusual encounter, wildlife experts soon identified the creature as an Asian water monitor, a species that holds the title of the second-largest lizard in the world after the notorious Komodo dragon. Alex Roszkowski, Director of Operations at the Phoenix Herpetological Sanctuary, provided further insight on the reptile, suggesting that it likely escaped from a private home. He placed considerable emphasis on the fact that Asian water monitors are not indigenous to Arizona, indicating that the reptile’s presence was likely due to inadequate pet ownership.
Roszkowski cautioned that while Asian water monitors are not inherently aggressive creatures, they possess strong defensive capabilities. “They’re not gonna try to actively attack somebody necessarily, but if they feel cornered or threatened in some way, they do have very sharp teeth, and very sharp claws so they can and will defend themselves,” he said, reassuring the public of the species’ general temperament.
As for the escapee, Roszkowski opined that it was a relatively young specimen, remarking that this species can grow to exceed lengths of seven feet. The unexpected appearance of the lizard has raised questions about pet ownership and responsibility, especially concerning exotic species that are unsuitable for local habitats.
According to the U.S. Fish and Wildlife Service, Asian water monitors are native to regions in South and Southeast Asia. Their presence in Arizona suggests a potential gap in the understanding of the appropriate care and containment of such larger reptiles. As wildlife organisations grapple with the implications of the incident, it stands as a vivid reminder of the complexities and awareness needed in exotic pet ownership.
The curious event has captivated the attention of not only Johnson but also countless others who are intrigued by nature’s unpredictability, as demonstrated by this giant lizard’s unexpected swim. As for Johnson, he will undoubtedly have a tale to tell for years to come, reflecting the thrilling surprises that can arise from day-to-day life in suburban America. The incident also serves to highlight the need for potential future legislation aimed at reigning in the private ownership of exotic species, as authorities seek to ensure safety and prevent similar incidents in the future.
