After some time, a cool person has went and done it by ripping the sound files for the new king Salmonid
This video only showcases his voice, mostly because some of the sfx files have one sided audio, which can be annoying if you’re wearing headphones, but if you want to hear the other sound effects, I suggest you watch this video, which will send you over to the original person who went through the effort of finding the sounds

   • Megalodontia Sound Effects (Splatoon 3)