The relationship between thermal physiology and lampricide sensitivity in larval sea lamprey (Petromyzon marinus) ☆

The sensitivity of larval sea lamprey (Petromyzon marinus) to the lampricide 3-trifluoromethyl-4-nitrophenol (TFM) varies with season, with highest sensitivity in spring and tolerance increasing by 2- to 3-fold in the mid-late summer. Until recently, the physiological basis for these differences was unresolved. Using previously published and unpublished findings, we illustrate how the acute toxicity of TFM (12-h LC50, 12-h LC99.9) changes with …