Onyx (A2503692), a 3-year-old mixed breed dog, is the only dog on the euthanasia list for Wednesday, March 11, 2026, at the Hillsborough County Pet Resource Center. Shelter staff describe him as playful, affectionate, and treat-motivated when outside his kennel, though he shows stress-related reactivity inside. He enjoys toys, water play, and gentle attention from volunteers.
Onyx is not foster-eligible through the shelter but can be fostered through a rescue group or adopted on a two-week trial called a “Pawdition.” Due to a history of resource guarding and a minor bite, he should not be placed in a home with children under 14 years old. Interested adopters can email…..