Range of electrosensory detection of prey by Carcharhinus melanopterus and Himantura granulata
Haine, Olivia S., Ridd, Peter V., and Rowe, Richard J. (2001) Range of electrosensory detection of prey by Carcharhinus melanopterus and Himantura granulata. Marine and Freshwater Research, 52 (3). pp. 291-296.
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View at Publisher Website: http://dx.doi.org/10.1071/MF00036
Elasmobranch fishes have a well developed electrosense that is used for prey detection. Research into the nature of bioelectric cues emitted by prey has, however, been neglected, and consequently the spatial context in which the electrosense operates to detect and home in on prey is not completely understood. This study provided data on both ac and dc electric potentials produced by teleost, crustacean and bivalve prey, as well as measured the decay rates of electric field strength with distance. The electrosensitivity of two tropical elasmobranch species was calculated to be ~4 nV cm–1, from which it was calculated that these predators probably detect their prey at a range of ~0. 25 m.
|Item Type:||Article (Refereed Research - C1)|
|FoR Codes:||06 BIOLOGICAL SCIENCES > 0699 Other Biological Sciences > 069999 Biological Sciences not elsewhere classified @ 51%|
06 BIOLOGICAL SCIENCES > 0602 Ecology > 060205 Marine and Estuarine Ecology (incl Marine Ichthyology) @ 49%
|SEO Codes:||97 EXPANDING KNOWLEDGE > 970106 Expanding Knowledge in the Biological Sciences @ 51%|
96 ENVIRONMENT > 9608 Flora, Fauna and Biodiversity > 960802 Coastal and Estuarine Flora, Fauna and Biodiversity @ 49%
|Deposited On:||30 Jul 2012 15:17|
|Last Modified:||09 Jan 2013 16:29|
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