| host-parasite relationships of longnose dace, rhinichthys cataractae, from the ford river, michigan. | a total of 1,115 longnose dace, rhinichthys cataractae (family cyprinidae), were examined for parasites from may 1983 through october 1986 from 3 localities in the ford river in michigan's upper peninsula. thirteen parasite species (1 monogenea, 2 digenea, 2 cestoda, 4 nematoda, 1 acanthocephala, 3 protozoa) infected dace. the parasite faunas of dace, taxonomically and in species number, were similar between localities. posthodiplostomum minimum minimum, neascus sp., and rhabdochona canadensis w ... | 1992 | 1403425 |
| myxobolus cognati n. sp. (myxosporea) from the opercular integument of cottus cognatus (cottidae) in lake michigan. | a myxosporean producing aggregations of white pseudocysts in skin covering the posterior margin of the operculum and perioral tissue of cottus cognatus in lake michigan is described as myxobolus cognati n. sp. (myxosporea). histological sections revealed that the parasite develops in vascularized regions of the dermis and with development protrudes beyond the surrounding skin surface. fixed spores are oval in front view, measure 12.0-14.0 microns long and 9.5-10.5 microns wide, and contain 8-11 ... | 1996 | 8627483 |