BIFURCACIÓN DE LA COLA EN DOS LAGARTIJAS NEOTROPICALES COMUNES: Ctenosaura similis (GRAY, 1831) Y Gonatodes albogularis (DUMÉRIL & BIBRON, 1836)

José Manuel Mora; Lucía Isabel  López; Luis A. Cruz

doi:10.22201/fc.25942158e.2025.1.1131

Autores/as

José Manuel Mora Universidad Técnica Nacional
Lucía Isabel López Universidad Técnica Nacional
Luis A. Cruz Green Zion New Forest, Guatuso, Alajuela, Costa Rica

DOI:

https://doi.org/10.22201/fc.25942158e.2025.1.1131

Palabras clave:

autotomía, Iguanidae, pérdida de apéndices, regeneración, reptiles, Spherodactylidae

Resumen

La autotomía es un mecanismo de defensa en las lagartijas, seguido de la regeneración de la cola. La pérdida de la cola desencadena un proceso regenerativo epimórfico espontáneo, que resulta en un reemplazo completamente funcional. Sin embargo, la regeneración caudal no siempre es perfecta y, a veces, puede dar lugar a anomalías como colas adicionales. Descubrimos dos lagartijas con colas divididas en Costa Rica. El 7 septiembre 2021, a las 14:10 h, encontramos una Ctenosaura similis, Iguanidae, con una cola trifurcada en el Pacífico Central. En este caso dos colas regeneradas surgieron de la original para formar una trifurcación. El 6 junio 2013, a las 10:00 h, encontramos una Gonatodes albogularis, Sphaerodactylidae, con dos colas en las tierras bajas del norte. La cola de esta hembra era doble, con dos colas que emergían juntas sin una distinción clara. Aquí presentamos estos dos casos y los comparamos con otros casos reportados.

Citas

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