Physiculus therosiderosPhysiculus therosideros, the scalyfin cod, is a species of bathydemersal fish found in the eastern-central Pacific Ocean.DescriptionThis species reaches a length of.EtymologyBeing that theros means summer and sideros means iron, the fish is named for the vessel Iron Summer, which conducted a deepwater survey for Queensland Fisheries Research and collected the type specimens of this fish.