| variations in pcb concentrations between genders of six warmwater fish species in lake logan martin, alabama, usa. | we collected and analyzed 955 individual fish (six species) for sexual differences in pcb bioaccumulations from a southeastern, usa reservoir. using 2-way ancovas, we found significant differences in fillet pcb concentrations between sexes for channel catfish (ictalurus punctatus), largemouth bass (micropterus salmoides) and spotted bass (micropterus punctulatus). striped bass (morone saxatilus), black crappie (pomoxis nigromaculatus) and freshwater drum (aplodinotus grunniens) did not display d ... | 2007 | 17490714 |