Any underwater drones small enough to fit in aquarium?

By A Mystery Man Writer

New AI-Powered Micro AUV Combines Advanced navigation, Sonar and Communication Capabilities - Geo-matching

150M Tether Titan Professional Underwater Drone ROV AUV Robot with 4K UHD Action Camera Remote Control Real-time Steaming Undersea Detection for Viewing, Recording, Fishing, Salvage Work (150M Titan) : Electronics

This underwater drone lures and photographs your pet fish - CNET

Drones to contribute to underwater conservation efforts., by Brielle Elise, Trippy Tech

Index of underwater diving - Wikipedia

This Mini Scuba Tank Fits In Your Pocket! V2, Twice The Air + Lights / Lasers (007 / Star Wars)

This Powerful Mini Doc Packs A Punch Through Short-Form Storytelling, Sony

Biologists fly drone to track health of endangered orcas

TJ-FlyingFish drone flies through the air and swims underwater

What Drones Did for the Sky, Robot Subs Are About to Do for the Sea

Geneinno Underwater Drones, Geneinno Titan

TJ-FlyingFish drone flies through the air and swims underwater

Monterey Bay Aquarium Research Institute (MBARI) Using Underwater Drones to Study the Ocean - Drone Videos & Photos