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. Food and feeding relations of common frog and common toad tadpoles (Rana temporaria and Bufo bufo) at a pond in mid Wales


Open Access

pp. 141-143

Authors: J. D. Harrison

Abstract: The guts of frog tadpoles in Llysdinam Pond, 1 983, frequently contained detritus (partially decomposed macrophyte tissue) and other items associated with the pond's sediment (the tests of rhizopod protozoa, pollen grains, fungi), suggesting that the frog tadpoles fed directly on the sediment. The guts of toad tadpoles from Llysdinam, 1 984, however, contained high frequencies of rotifers (Keratella) and motile algae (Dinophyceae) and little detritus, suggesting that the toad tadpoles fed mainly in m id-water. Evidence of both m id-water and sediment feeding was observed in samples of toad tadpoles from other ponds. Samples of frog tadpoles from other ponds, however, showed only the sediment feeding mode.

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