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- Title
Viruses of Atlantic Bonefish (Albula vulpes) in Florida and the Caribbean show geographic patterns consistent with population declines.
- Authors
Campbell, Lewis J.; Castillo, Nicholas A.; Dunn, Christopher D.; Perez, Addiel; Schmitter-Soto, Juan J.; Mejri, Sahar C.; Boucek, Ross E.; Corujo, Rolando Santos; Adams, Aaron J.; Rehage, Jennifer S.; Goldberg, Tony L.
- Abstract
Atlantic Bonefish (Albula vulpes) are economically important due to their popularity with recreational anglers. In the State of Florida, USA, bonefish population numbers declined by approximately 60% between the 1990s and 2015. Habitat loss, water quality impairment, chemical inputs, and other anthropogenic factors have been implicated as causes, but the role of pathogens has been largely overlooked, especially with respect to viruses. We used a metagenomic approach to identify and quantify viruses in the blood of 103 A. vulpes sampled throughout their Western Atlantic range, including populations in Florida that have experienced population declines and populations in Belize, Mexico, Puerto Rico, and The Bahamas that have remained apparently stable. We identified four viruses, all of which are members of families known to infect marine fishes (Flaviviridae, Iflaviridae, Narnaviridae, and Nodaviridae), but all of which were previously undescribed. Bonefish from Florida and Mexico had higher viral richness (numbers of distinct viruses per individual fish) than fish sampled from other areas, and bonefish from the Upper Florida Keys had the highest prevalence of viral infection (proportion of positive fish) than fish sampled from any other location. Bonefish from Florida also had markedly higher viral loads than fish sampled from any other area, both for a novel narnavirus and for all viruses combined. Bonefish viruses may be indicators of environmentally driven physiological and immunological compromise, causes of ill health, or both.
- Subjects
FLORIDA; MEXICO; RED fox; DEMOGRAPHIC change; VIRUS diseases; WATER quality; VIRAL load
- Publication
Environmental Biology of Fishes, 2023, Vol 106, Issue 2, p303
- ISSN
0378-1909
- Publication type
Article
- DOI
10.1007/s10641-022-01306-9