Neurology: an ancient sensory organ in crocodilians - PubMed (original) (raw)
. 2002 May 16;417(6886):241-2.
doi: 10.1038/417241a.
Affiliations
- PMID: 12015589
- DOI: 10.1038/417241a
Neurology: an ancient sensory organ in crocodilians
Daphne Soares. Nature. 2002.
Abstract
Crocodilians hunt at night, waiting half-submerged for land-bound prey to disturb the water surface. Here I show that crocodilians have specialized sensory organs on their faces that can detect small disruptions in the surface of the surrounding water, and which are linked to a dedicated, hypertrophied nerve system. Such 'dome' pressure receptors are also evident in fossils from the Jurassic period, indicating that these semi-aquatic predators solved the problem of combining armour with tactile sensitivity many millions of years ago.
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