The fish of which I write is the muskellunge, or Esox masquinongy, as ichthyologists call it. Most anglers just call it the musky. I know the fish well. This is the time of year to seek them out ...

Forest harvesting can lead to mercury (Hg) mobilization from soils to aquatic habitats and promote the transformation of inorganic Hg to highly neurotoxic and bioaccumulative methyl-Hg (MeHg).

Preopercle slender, elongated, small odontodes sparse on external surface. Opercle dorso-ventrally elongated, length about two times width, free margin smooth, with sparse minute odontodes. Fig. 2 ...