Habitat and Life History
"The Deepwater Sculpin is a bottom-dwelling fish that is found in cold (< 5 °C), well oxygenated, deep lakes. In the Great Lakes, adults usually live between 60 and 150 m in depth. For this reason, not much is known about the biology of this fish. The reproductive cycle is not well understood and the time of spawning is not known. Age of maturity has been estimated at three years for females and two for males. It appears that individuals from the Great Lakes, especially Lake Ontario, are generally larger compared to other populations. The Deepwater Sculpin is also likely preyed upon by deepwater Lake Trout (Salvelinus namaycush)."
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