Abstract
Four largemouth bass (Micropterus salmoides) were radio-tracked in Mary Lake [USA] during the summer of 1970. Maximum home range size ranged from 0.3-1.4 ha and primary or utilized ranges were about 0.4-0.35 ha. Most bass locations were between shore and 3 m deep and home range shapes tended to be oblong. Bass made excursions of up to 7 days from their primary ranges and returned. A base transplanted to Mary Lake from Lake Itasca but did not establish a home range.