Factors Influencing the Prevalence of Hyperpigmented Melanistic Lesions in Smallmouth Bass Micropterus dolomieu in the Susquehanna River Basin, Pennsylvania.
| Title: | Factors Influencing the Prevalence of Hyperpigmented Melanistic Lesions in Smallmouth Bass Micropterus dolomieu in the Susquehanna River Basin, Pennsylvania. |
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| Authors: | Schall MK; Biological Sciences, Penn State Hazleton, 76 University Drive, Hazleton, Pennsylvania, USA.; Smith GD; Pennsylvania Fish and Boat Commission, Division of Fisheries Management, Bellefonte, Pennsylvania, USA.; Blazer VS; U.S. Geological Survey, Eastern Ecological Science Center - Leetown Research Laboratory, Kearneysville, West Virginia, USA.; Walsh HL; U.S. Geological Survey, Eastern Ecological Science Center - Leetown Research Laboratory, Kearneysville, West Virginia, USA.; Wagner T; U.S. Geological Survey, Pennsylvania Cooperative Fish and Wildlife Research Unit, The Pennsylvania State University, University Park, Pennsylvania, USA. |
| Source: | Journal of fish diseases [J Fish Dis] 2025 Jan; Vol. 48 (1), pp. e14033. Date of Electronic Publication: 2024 Oct 23. |
| Publication Type: | Journal Article |
| Language: | English |
| Journal Info: | Publisher: Blackwell Scientific Publications Country of Publication: England NLM ID: 9881188 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1365-2761 (Electronic) Linking ISSN: 01407775 NLM ISO Abbreviation: J Fish Dis Subsets: MEDLINE |
| Imprint Name(s): | Original Publication: Oxford, Blackwell Scientific Publications. |
| MeSH Terms: | Fish Diseases*/epidemiology ; Fish Diseases*/pathology ; Bass* ; Rivers*; Pennsylvania/epidemiology ; Animals ; Prevalence ; Temperature ; Body Size |
| Abstract: | Hyperpigmented melanistic lesions (HPMLs) are a visual anomaly documented on the skin of smallmouth bass Micropterus dolomieu in the Susquehanna River Basin, Pennsylvania and in numerous other geographical locations. Currently, there is a lack of information on environmental and fish characteristics that may influence the prevalence of HPMLs associated with a recently described Adomavirus. The goal of this study was to understand potential drivers associated with HPMLs in socioeconomically and ecologically important riverine smallmouth bass populations. A total of 16,220 smallmouth bass were collected and examined for HPMLs between 2012 and 2022 in the Susquehanna River Basin. Overall, HPMLs were documented on 2.9% of fish collected. The interaction between temperature and fish size suggested differing relationships between shorter and longer fish with respect to temperature. Predicted probability of HPML prevalence ranged from 1.1% (95% CI = 0.3, 3.2) at 4°C to 0.01% (CI = 0.00, 0.04) at 26°C for an age-0 (125 mm) fish. In contrast, predicted probability of HPML prevalence ranged from 10.5% (95% CI = 5.8, 18.9) at 4°C to 0.8% (CI = 0.4, 1.5) at 26°C for an adult (322 mm) fish. Overall, HPMLs were more common in longer fish during cooler temperature periods which also corresponds to key life history periods for smallmouth bass (e.g., pre-spawn and overwintering) and could represent different exposure histories for juvenile and adult fish.; (© 2024 The Author(s). Journal of Fish Diseases published by John Wiley & Sons Ltd. This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.) |
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| Grant Information: | Federal Aid in Sportfish Restoration (F-57-R); U.S. Geological Survey Ecosystem's Biological Threats and Invasive Species; Federal Aid in Sportfish Restoration |
| Contributed Indexing: | Keywords: fish disease modelling; fish health monitoring; hyperpigmented melanistic lesions; smallmouth bass |
| Entry Date(s): | Date Created: 20241023 Date Completed: 20241215 Latest Revision: 20250104 |
| Update Code: | 20260130 |
| PubMed Central ID: | PMC11646966 |
| DOI: | 10.1111/jfd.14033 |
| PMID: | 39440689 |
| Database: | MEDLINE |
Journal Article