China's autonomous 'bionic robot' fish looks just like the real one, perfect for covert military operations — Robocean BG5 could also be used to track poachers
China's viral robot "spy fish" is lifelike and steers itself around a tank, but it has been on sale since 2023 and tops out at 5 meters deep
A robotic golden arowana named BG-5, developed by Boyagongdao Marine Technology Group, has captured attention at the China International Fair for Trade in Services (CIFTIS) 2026. This 3 kg, 640 mm tall robot, which has been available on the company's website since 2021, is designed to perform covert military operations and track poachers.
The BG-5 navigates around obstacles autonomously and travels at a top speed of 0.6 meters per second, maintaining a maximum depth of 5 meters. While details regarding endurance, payload, and camera features remain undisclosed, its design and military applications have been widely reported. The BG-5 is not a new invention, but its multiple potential uses and military background make it a unique product in the market.
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