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Cestodiasis in 2 Puerto Rican crested anoles.

Timothy K Wu1, Stacy Kaneko1, Araceli Lucio-Forster1

  • 1Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY, USA.

Journal of Veterinary Diagnostic Investigation : Official Publication of the American Association of Veterinary Laboratory Diagnosticians, Inc
|February 16, 2024
PubMed
Summary
This summary is machine-generated.

Two Puerto Rican crested anoles were found to be infected with Spirometra erinaceieuropaei tapeworm larvae. This parasitic infection caused severe debilitation and internal masses in the lizards.

Keywords:
Spirometraanolesmetacestodeparasiteplerocercoidreptilesparganum

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Area of Science:

  • Herpetology
  • Parasitology
  • Molecular Biology

Background:

  • The Puerto Rican crested anole (Anolis cristatellus cristatellus) is a common lizard species.
  • Parasitic infections can cause significant health issues in reptiles.
  • Cestode larvae infections, such as sparganosis, are known in various animal hosts.

Purpose of the Study:

  • To identify the cause of debilitation and death in two captive Puerto Rican crested anoles.
  • To characterize the cestode larvae found within the anoles.
  • To determine the specific species of tapeworm using molecular methods.

Main Methods:

  • Necropsy and histopathological examination of affected tissues.
  • Morphological evaluation of cestode larvae.
  • Molecular analysis of the cytochrome C oxidase subunit 1 (COX1) gene for species identification.

Main Results:

  • Autopsy revealed large cystic structures and abdominal masses containing cestode larvae in both anoles.
  • Histology confirmed cestode larvae in the body wall, characterized by specific morphological features.
  • Molecular identification confirmed the parasite as Spirometra erinaceieuropaei (Spirometra mansoni) based on 100% COX1 gene homology.

Conclusions:

  • The study identified Spirometra erinaceieuropaei as the causative agent of severe parasitic infection in the studied anoles.
  • The findings highlight the potential impact of Spirometra infections on reptile health, including secondary infections like pneumonia and hepatitis.
  • This research contributes to understanding the host-parasite dynamics of Spirometra in Caribbean reptiles.