A bacterial disease of yellow perch (Peres flavescens)
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Abstract
On May 26, 1959, two of the authors' investigated a fish kill at Dailey Lake, Park County, Montana. They observed about a half-dozen live, weakly swimming yellow perch (Perca flavescens), in addition to thousand of dead perch along the shoreline. It was learned from local residents that mortalities had begun to appear some 2 weeks earlier. At that time the time the authorities had diagnosed the condition as a winterkill, since ice had only recently disappeared from the lake. Although a number of other species inhabit Dailey Lake, including rainbow trout (Salmo gairdneri), brown trout (S. trutta), kokanee (Oncorhynchus nerka), black crappie (Pomoxis nigromaculatus), largemouth bass (Micropterus salmoides), longnose suckers (Catostomus catostomus), rainbow x cutthroat hybrids, only one other species was represented in the kill. This consisted of one black crappie.
Examination of the freshly dead perch revealed the presence of multiple petechiae, which were visible externally as well as in the dorsal musculature. The peritoneal cavity showed evidence of inflammation and contained a bloody ascitic fluid. A number of the dead fish were placed on ice and shipped to the Western Fish Disease Laboratory in Seattle for bacteriological studies.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | A bacterial disease of yellow perch (Peres flavescens) |
| Series title | Transactions of the American Fisheries Society |
| DOI | 10.1577/1548-8659(1960)89[310:ABDOYP]2.0.CO;2 |
| Volume | 89 |
| Issue | 3 |
| Year Published | 1960 |
| Language | English |
| Publisher | American Fisheries Society |
| Contributing office(s) | Western Fisheries Research Center |
| Description | 3 p. |
| First page | 310 |
| Last page | 312 |
| Country | United States |
| State | Montana |
| County | Park County |
| Other Geospatial | Dailey Lake |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |