首页|Reproductive behaviour of the threatened rusted frog Telmatobius rubigo
Reproductive behaviour of the threatened rusted frog Telmatobius rubigo
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The genus Telmatobius Wiegmann, 1834 (Anura: Telmatobiidae) includes 63 species of aquatic and semiaquatic frogs associated with high Andean ecosystems and distributed from Ecuador to Chile and Argentina (Frost, 2021). The high-altitude distribution and the aquatic habits of Telmatobius are its most distinctive characteristics and pose a series of physiological challenges for the genus (Lavilla & De la Riva, 2005; Barrionuevo, 2017). Telmatobius frogs were used by the Inca culture as symbols to propitiate rainfall and fertility (Elías et al., 2019; Otero et al., 2020), possibly due to frogs' conspicuous reproductive biology (Wells, 2007). Despite this, there is little information about the reproduction of these Andean water frogs. The genus appears to have low fecundity (Barrionuevo & Mangione, 2006), with clutch size varying from 80 eggs (Pisanó, 1955) to about 500 eggs per clutch for Telmatobius culeus and Telmatobius laticeps (Pérez, 1998; Barrionuevo & Mangione, 2006). Some earlier evidence suggests that male game togenesis in T. laticeps and Telmatobius pisanoi occurs twice yearly (Montero & Pisanó, 1990) but is continuous and asynchronous in females of Telmatobius arequipensis (reviewed Lavilla & Barrionuevo, 2005). T. culeus probably reproduces continuously as amplexus was recorded mainly during winter months and females with mature ovules were recorded in the summer (Pérez, 1998). Telmatobius jelskii probably also reproduces throughout the year as eggs, breeding adults, and cohorts of tadpoles at several developmental stages have been observed in both wet and dry seasons (Catenazzi et al., 2013).
Reproductivebehaviourthreatened rusted
MARIA S. GASTóN
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Instituto de Ecorregiones Andinas, Universidad Nacional de Jujuy, Consejo Nacional de Investigaciones Científicas y Tecnológicas, Canónigo Gorriti 237, 4600 San Salvador de Jujuy, Argentina
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