Beneath the water lies a whole world of sound: snorts, boops, croaks, grunts. Fish, it turns out, have a lot to say, and they’ve been communicating for a long time. In this episode, we take a dive with some of the planet’s oldest vertebrates Threshold is nonprofit, listener-supported, and independently produced. You can support Threshold by donating today . To stay connected, sign up for our newsletter . We want to hear from you! Send us your questions about the new season, the content or how it’s made, for an upcoming behind-the-scenes episode. You can submit your questions to
[email protected] Special thanks to Lauren Hawkins, Miles Parsons, and Tim Lamont for many of the fish recordings. Clara Amorim and Raquel Vasconcelos recorded the Lusitanian toadfish, Herbert Tiepelt recorded the pikeperch percussionist, and Marta Bolgan provided the “unknown kwa.” Additional recordings came from more than a dozen other scientists, many of whom have contributed sounds to the website Fishsounds. Here are the fish sounds we used in the episode: 160000_Parsons_Blackspotted croaker chorus 130000_Picciulin_Brown meager_Chorus 180000_Pine_Unknown_Chorus 170000_Parsons_Unknown_Chorus 180000_Dilorio_Unknown_Kwa Chorus 190000_Bolgan_Unknown_Kwa 050000_Tiepelt_Pike-perch_Scrape 070000_Stolkin_Striped Cusk-eel_Jackhammer chorus 180000_Staaterman_Toadfish_Boop-Grunt-Swoop 150000_Casaretto_Haddock_hum 080000_Amorim_Lusitania Toadfish_Boatwhistle_edited 1970_MP Fish_Seahorse_Click 170000_RountreeR_Aplodinotus-grunniens_Drum-Call-Chorus
