Nope, couldn't catch fish today, dead batteries. TV fishing shows must be drooling over this chance to sell new gear.
http://www.designboom.com/technology/powerray-fishing-drone-ces-2017-01-04-2017/

CES 2017: at the CES 2017 electronics and technology trade show, powervision presents the ‘powerray’, an underwater drone that revolutionizes the recreational fishing industry. designed for freshwater, saltwater, and even ice fishing, the robot provides a thrilling and effortless experience for enthusiasts and hobbyists alike. it can dive as deep as 30 meters, and detect fishes up to 40 meters way from it with pin-point precision of up to 10 centimeters. packing even more features, the sub-drone includes an internal fish luring light with a hue of blue, and a remotely operated bait drop.
‘recreational fishing is one of the lifestyle areas that has not seen major technology breakthroughs. by introducing powerray, powervision is completely changing the way we have been fishing in the past 7,000 years. through innovating the fish finding technology and features, providing the thrill of finding the catch and an immersive underwater experience through virtual reality, powerray is going to provide more efficiency, thrill, and fun to fishermen around the world,‘ said wally zheng, CEO of powervision technology group. ‘recreational fishing will never be the same again.‘
http://www.designboom.com/technology/powerray-fishing-drone-ces-2017-01-04-2017/