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Host fish suitability for glochidia of Ligumia recta

American Midland Naturalist

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Abstract

In the early 1900s several hosts were identified for the black sandshell Ligumia recta. Recent attempts to propagate juvenile L. recta with two of the reported hosts (bluegill Lepomis macrochirus and largemouth bass Micropterus salmoides) have produced inconsistent results and few juveniles. We conducted this study to determine which of the reported hosts or other fish hosts were the most suitable for glochidial metamorphosis. The duration of glochidial metamorphosis varied among seasons. Despite similar water temperatures, juveniles metamorphosed sooner and over a shorter period of time in the spring than early fall; the modal day of metamorphosis differed by 78 d. Relatively few juveniles were recovered from bluegill and largemouth bass in three trials. White crappie Pomoxis annularis and black crappie P. nigromaculatus were marginally suitable hosts. Although glochidia encysted on all hosts, >10x more juveniles metamorphosed on sauger Stizostedion canadense compared to other hosts tested.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Host fish suitability for glochidia of Ligumia recta
Series title:
American Midland Naturalist
Volume
143
Issue:
1
Year Published:
2000
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
First page:
178
Last page:
184
Number of Pages:
7