Since January, WPTV has been listening to a Port St. Lucie family raising concerns about invasive cane toads in a Riverland community and the potential danger they pose to pets.The Shulmans, who live in Valencia Walk at Riverland, first reached out to WPTV reporter Brooke Chau after their HOA denied a request they believed could help protect their dogs from the toxic amphibians.WATCH: TOXIC THREAT: Family gets HOA approval for protection against…