typhlonectes:The Alaska Blackfish is one tough cookie! They’re one of the few fish species in the wo
typhlonectes:The Alaska Blackfish is one tough cookie! They’re one of the few fish species in the world that can breathe atmospheric oxygen thanks to their modified esophagus. Check out the latest episode of “Fish of the Week!” : https://fws.gov/alaska/pages/fish-of-the-weekvia: U.S. Fish and Wildlife Service -- source link