Age estimates of captured Black Carp (Mylopharyngodon piceus) using four calcified structures, 2017-2019
December 21, 2023
A total of 236 Black Carp were collected throughout the year from 2017-2019 by incidental captures of commercial fishers and biologists. Capture date, river basin of capture location, and coordinates were recorded for each Black Carp captured. A subsample of 119 Black Carp varying from 429-1268 millimeters total length were compared for the precision of annuli counts by two experienced readers for the ossified two anterior pectoral fin rays, the ossified anterior dorsal fin ray, sectioned vertebrae, and lapilli otoliths for selection of a single structure based on percent exact agreement, coefficient of variation, and age-frequency plots.
Citation Information
| Publication Year | 2023 |
|---|---|
| Title | Age estimates of captured Black Carp (Mylopharyngodon piceus) using four calcified structures, 2017-2019 |
| DOI | 10.5066/P9BVSD5N |
| Authors | Patrick T Kroboth, Anne M Herndon, Cortney L Broaddus |
| Product Type | Data Release |
| Record Source | USGS Asset Identifier Service (AIS) |
| USGS Organization | Columbia Environmental Research Center |
| Rights | This work is marked with CC0 1.0 Universal |
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Precision of four calcified structures for age estimation of Black Carp Precision of four calcified structures for age estimation of Black Carp
Objective24). Reader-reported confidence was highest for vertebrae, then in decreasing order, dorsal ray, pectoral rays, and lapilli otoliths. Lumens were present in all fin rays with only minor effects observed on annuli counts, aside from the anterior-most pectoral fin ray, in which lumens obscured the presence of one or more potential annuli in 61% of structures.Conclusion
Authors
Patrick Kroboth, Anne Marie Herndon, Cortney Cox, Jesse Robert Fischer
Related
Precision of four calcified structures for age estimation of Black Carp Precision of four calcified structures for age estimation of Black Carp
Objective24). Reader-reported confidence was highest for vertebrae, then in decreasing order, dorsal ray, pectoral rays, and lapilli otoliths. Lumens were present in all fin rays with only minor effects observed on annuli counts, aside from the anterior-most pectoral fin ray, in which lumens obscured the presence of one or more potential annuli in 61% of structures.Conclusion
Authors
Patrick Kroboth, Anne Marie Herndon, Cortney Cox, Jesse Robert Fischer