Knightia was a secondary consumer, feeding mainly on algal forms and diatoms, as well as some smaller fish. They were schooling fish, and because of this they are frequently found together in mass mortality layers. Length normally 5" to 7"
The Diplomystus is a non-clupeoid clupeomorph fish distantly related to modern-day extant herrings, alewifes, and sardines. They commonly preyed on small fish such as Knightia. Length normally 5" - 8" or 16" - 20"
The Mioplosus is the ancient fish in our quarry that most resembles the modern day trout. Length normally ranges from 10" to 18".