Giuseppe Nelva
The game will release in Japan and the United States (no mention has been made for Europe at the moment) on June 16th, exclusively for Nintendo Switch. The launch will be digital-only on the Nintendo eShop. Below you can check out the trailer. We also get an official description from the developer (sic).

Fish at 10 unique fishing spots, including rocky areas and piers! (7 fishing spots in the Mission Mode and 3 fishing spots in the Online Mode)Fish the 9 targets, including Largemouth Bass, Smallmouth Bass, Snakehead, and Trout.Choose from 15 different types of lures, including standard, Vibrating Jig, and Big Bait, depending on the fishing spots.You can enjoy online fishing competitions with up to 8 players in local matches and up to 12 players in online matches! Experience the most hottest matches anytime, anywhere, with anyone! THE Bass Fishing for Nintendo Switch Announced by Earth Defense Force Developer - 60