Fishers have long, slender bodies with muscular, short legs similar to their cousins -- weasel, mink, marten, and otter. Their thick, grayish-brown to brownish-black glossy fur tends to be darker on females. White-tipped hairs on the older fisher give a grizzled appearance. This forest carnivore has strong claws for climbing and a long, bushy, black, tapered tail. The also have five toes on each foot and semi-retractable claws which contribute to their ability to climb trees. Males average 4-12 pounds, about twice the size of females.