Hydrostatic pressure receptors and depth usage in crustacea and fish

P. J. Fraser, S. F. Cruickshank, R. L. Shelmerdine, L. E. Smith

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

The discovery that small changes in hydrostatic pressure were coded by angular acceleration receptors in the crab with a mechanism involving nanometer level displacements of mechanoreceptors by differential compression of cuticular and cellular tissues [1], has pointed to a set of sensory signals fundamentally involved in navigation in a much broader range of animals. Neural correlates of hydrostatic pressure cycles have been found in a variety of crustacean equilibrium systems [2]. A more recent study has also shown that angular acceleration receptors in the semicircular canal system of the shark Scyliorhinus respond to small steps and cycles of hydrostatic pressure [3]. In order to investigate rates of changes and absolute changes in hydrostatic pressure detected by these sensory systems, we used pressure chambers together with a tide machine or a voltage controlled pressure regulator to subject balancing system neurones to steps and cycles of hydrostatic pressure, using spike density as a measure of activity. In a variety of species, responses obtained fell into the range expected from the known ranges of depth and rates of change of depth.
Original languageEnglish
Pages (from-to)159-165
Number of pages7
JournalNavigation: Journal of the Institute of Navigation
Volume55
Issue number2
Publication statusPublished - 2008

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Hydrostatic pressure
Fish
Pressure regulators
Tides
Canals
Neurons
Animals
Navigation
Compaction
Tissue
Electric potential

Cite this

Fraser, P. J., Cruickshank, S. F., Shelmerdine, R. L., & Smith, L. E. (2008). Hydrostatic pressure receptors and depth usage in crustacea and fish. Navigation: Journal of the Institute of Navigation, 55(2), 159-165.

Hydrostatic pressure receptors and depth usage in crustacea and fish. / Fraser, P. J.; Cruickshank, S. F.; Shelmerdine, R. L.; Smith, L. E.

In: Navigation: Journal of the Institute of Navigation, Vol. 55, No. 2, 2008, p. 159-165.

Research output: Contribution to journalArticle

Fraser, PJ, Cruickshank, SF, Shelmerdine, RL & Smith, LE 2008, 'Hydrostatic pressure receptors and depth usage in crustacea and fish', Navigation: Journal of the Institute of Navigation, vol. 55, no. 2, pp. 159-165.
Fraser, P. J. ; Cruickshank, S. F. ; Shelmerdine, R. L. ; Smith, L. E. / Hydrostatic pressure receptors and depth usage in crustacea and fish. In: Navigation: Journal of the Institute of Navigation. 2008 ; Vol. 55, No. 2. pp. 159-165.
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