Retention of passive integrated transponder tags in a small-bodied catfish
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Abstract
Members of the freshwater catfishes (order Siluriformes) are capable of transintestinal expulsion of foreign bodies, including internally implanted tags, which can bias movement and survival estimates. We evaluated long-term (120-week) retention rates of passive integrated transponder (PIT) tags in a laboratory setting to assess potential tag loss in Stonecat Noturus flavus. The PIT tags were surgically implanted into the peritoneal cavity of fish (n = 157) ranging from 71 to 213 mm TL. We demonstrated that Stonecats can successfully be tagged with 12- and 23-mm PIT tags with low levels of mortality (5.0%) and tag loss (9.6%). Based on individual encounter histories and covariates, we further evaluated our data set in a multistate framework using program MARK. Based on our findings, tag age has a negative effect on tag loss; if Stonecats lose tags, it is relatively soon after tagging. Additionally, Stonecat TL has a negative effect on tag loss, with tag loss decreasing with increasing fish TL.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Retention of passive integrated transponder tags in a small-bodied catfish |
| Series title | North American Journal of Fisheries Management |
| DOI | 10.1002/nafm.10550 |
| Volume | 41 |
| Issue | 1 |
| Year Published | 2021 |
| Language | English |
| Publisher | American Fisheries Society |
| Contributing office(s) | Coop Res Unit Seattle |
| Description | 9 p. |
| First page | 187 |
| Last page | 195 |
| Google Analytic Metrics | Metrics page |