Abstract
We describe aspects of the reproduction of three shoaling/maternal-caring Leptodactylus species (Leptodactylus aff. latrans, Leptodactylus podicipinus and Leptodactylus aff. leptodactyloides), pointing to the relevance of the female to tadpoles and describe a case of alloparental care in frogs. Females of the three species connected water bodies by digging channels to their tadpoles. Leptodactylus aff. latrans females often expelled predatory snakes and conspecific males that approached shoals to prey upon tadpoles. In water bodies containing predatory teleosts, tadpoles of L. aff. latrans only reached metamorphosis in the presence of guardian females. Channel digging can provide tadpoles with access to new feeding grounds and prevent predation and desiccation. We found brood mixing and alloparental care between L. aff. latrans and L. podicipinus which, as in some Teleostei, may be regarded as the result of identification mistakes.
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