Monitoring your small dog in a reptile tank setup requires a camera that can focus up close and fit into tight spaces. After comparing dozens of models against industry standards and owner feedback, we narrowed down the best options for 2026. Our team prioritized close-focus capability, magnetic mounts for easy repositioning, and AI features that reduce false alerts. We also considered video resolution and night vision, as small pets are often active at night. Each pick excelled in specific areas, from premium image quality to budget-friendly simplicity.