Acute mortality in California tiger salamander (Ambystoma californiense) and Santa Cruz long-toed salamander (Ambystoma macrodactylum croceum) caused by Ribeiroia ondatrae (Class: Trematoda)
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- Data Release: USGS data release - Carcass weights, 28S rRNA alignment file and parasite sample vouchers collected from California tiger salamanders (Ambystoma californiense) CTS and Santa Cruz long-toed salamander (Ambystoma macrodactylum croceum) SCLT from Prospect or Ellicott Pond, on Ellicott Slough National Wildlife Refuge, California U.S.A. recorded September 11, 2019
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Abstract
In early September 2019, a morbidity and mortality event affecting California tiger salamanders (Ambystoma californiense) and Santa Cruz long-toed salamanders (Ambystoma macrodactylum croceum) in late stages of metamorphosis was reported at a National Wildlife Refuge in Santa Cruz County, California, U.S.A. During the postmortem disease investigation, severe integumentary metacercarial (Class: Trematoda) infection, associated with widespread skin lesions, was observed. Planorbid snails collected from the ponds of the refuge within seven days of the mortality event were infected with Ribeiroia ondatrae, a digenetic trematode that can cause malformation and death in some amphibians. We suggest sustained seasonal high-water levels due to active habitat management along with several years of increased rainfall led to increased bird visitation, increased over-wintering of snails, and prolonged salamander metamorphosis, resulting in a confluence of conditions and cascading of host-parasite dynamics to create a hyper-parasitized state.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Acute mortality in California tiger salamander (Ambystoma californiense) and Santa Cruz long-toed salamander (Ambystoma macrodactylum croceum) caused by Ribeiroia ondatrae (Class: Trematoda) |
| Series title | International Journal for Parasitology: Parasites and Wildlife |
| DOI | 10.1016/j.ijppaw.2021.10.008 |
| Volume | 16 |
| Year Published | 2021 |
| Language | English |
| Publisher | Elsevier |
| Contributing office(s) | National Wildlife Health Center |
| Description | 7 p. |
| First page | 255 |
| Last page | 261 |
| Country | United States |
| State | California |
| County | Santa Cruz County |
| Other Geospatial | Ellicott Slough National Wildlife Refuge |
| Google Analytic Metrics | Metrics page |