Survival and tag retention of Pacific lamprey larvae and macrophthalmia marked with coded wire tags
North American Journal of Fisheries Management
By: M.H. Meeuwig, A.L. Puls, and J.M. Bayer
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Abstract
We examined the survival, tag retention, and growth of Pacific lamprey Lampetra tridentata larvae and macrophthalmia marked with standard-length decimal coded wire tags and exposed to two levels of handling stress. The survival of marked individuals did not differ from that of unmarked individuals at either life stage for the duration of the experiment (56 d). Tag retention was 100% for all treatment combinations except larvae that were handled frequently (93 ?? 3%). The majority of tag loss occurred within 28 d of marking, and no tag loss was observed between 42 and 56 d after marking. The individuals that lost tags were among the smallest marked, and a logistic regression model indicated a relationship between larva length and the probability of tag retention. Size of larvae (length and mass) and macrophthalmia (mass) decreased over the duration of the experiment; however, changes in size were systematic among treatment combinations, indicating that factors other than tagging or handling affected growth. These data indicate that coded wire tags may be useful for field-based studies of Pacific lamprey larvae and macrophthalmia.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Survival and tag retention of Pacific lamprey larvae and macrophthalmia marked with coded wire tags |
| Series title | North American Journal of Fisheries Management |
| DOI | 10.1577/M06-074.1 |
| Volume | 27 |
| Issue | 1 |
| Year Published | 2007 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | North American Journal of Fisheries Management |
| First page | 96 |
| Last page | 102 |
| Google Analytic Metrics | Metrics page |