Acoustic calling in four species of ghost crabs

ocypode jousseaumei, O. platytarsus, O. rotundata and O. saratan (brachyura: ocypodidae)

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Acoustic calling and the mechanisms of its production are described for the ghost crabs Ocypode jousseaumei, O. platytarsus, O. rotundata and O. saratan from Oman. Sounds generated by the major cheliped suggest the existence of species specific differences, predominantly in the temporal properties of rapping and in the physical structure of stridulation. The spectral energy of all sounds is concentrated at frequencies below 4 kHz. O. rotundata and O. saratan build sand pyramids adjacent to their courtship burrows and are considerably less acoustically active than O. jousseaumei and O. platytarsus that do not build pyramids, suggesting that the visual signal is substituted by an auditory one.

Original languageEnglish
Pages (from-to)37-55
Number of pages19
JournalBioacoustics
Volume12
Issue number1
Publication statusPublished - 1998

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courtship
burrow
acoustics
crab
crabs
stridulation
sand
Oman
burrows
energy
sound
Ocypodidae

Keywords

  • Acoustic calling
  • Ocypode
  • Rapping
  • Stridulation

ASJC Scopus subject areas

  • Ecology

Cite this

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abstract = "Acoustic calling and the mechanisms of its production are described for the ghost crabs Ocypode jousseaumei, O. platytarsus, O. rotundata and O. saratan from Oman. Sounds generated by the major cheliped suggest the existence of species specific differences, predominantly in the temporal properties of rapping and in the physical structure of stridulation. The spectral energy of all sounds is concentrated at frequencies below 4 kHz. O. rotundata and O. saratan build sand pyramids adjacent to their courtship burrows and are considerably less acoustically active than O. jousseaumei and O. platytarsus that do not build pyramids, suggesting that the visual signal is substituted by an auditory one.",
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N2 - Acoustic calling and the mechanisms of its production are described for the ghost crabs Ocypode jousseaumei, O. platytarsus, O. rotundata and O. saratan from Oman. Sounds generated by the major cheliped suggest the existence of species specific differences, predominantly in the temporal properties of rapping and in the physical structure of stridulation. The spectral energy of all sounds is concentrated at frequencies below 4 kHz. O. rotundata and O. saratan build sand pyramids adjacent to their courtship burrows and are considerably less acoustically active than O. jousseaumei and O. platytarsus that do not build pyramids, suggesting that the visual signal is substituted by an auditory one.

AB - Acoustic calling and the mechanisms of its production are described for the ghost crabs Ocypode jousseaumei, O. platytarsus, O. rotundata and O. saratan from Oman. Sounds generated by the major cheliped suggest the existence of species specific differences, predominantly in the temporal properties of rapping and in the physical structure of stridulation. The spectral energy of all sounds is concentrated at frequencies below 4 kHz. O. rotundata and O. saratan build sand pyramids adjacent to their courtship burrows and are considerably less acoustically active than O. jousseaumei and O. platytarsus that do not build pyramids, suggesting that the visual signal is substituted by an auditory one.

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