The British Herpetological Society

The Herpetological Journal is the Society's prestigious quarterly scientific journal. Articles are listed in Biological Abstracts, Current Awareness in Biological Sciences,Current Contents, Science Citation Index, and Zoological Record.

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pdf 05. Observations on foam making by Leptodactylus fuscus tadpoles

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Open Access

pp.151-355

Authors: J. R. Downie

Abstract: Downie (1984) showed that recently hatched tadpoles of the ground nesting frog Leptodactylus fuscus make a foam which replaces the original nest foam made by the mating adults, but did not describe how it is made. The present results show that 1) foam-making is a communal activity: single tadpoles do not do it; 2) foam bubbles are made mainly by spitting movements oft he mouth, but also by wriggling of the tail; 3) foam is probably stabilised by mucus secreted by buccal glands; precocious secretion by these glands may be an adaptation to foam-ma king; 4) components of foam making behaviour are shown by other tadpole species out of water, but the complete behaviour is specific to recently hatched L. .fuscus.

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