Morphological Correlates and Behavioral Functions of Sound Production in Loricariid Catfish, With a Focus on Pterygoplichthys pardalis (Castelnau, 1855)
2018
- 431Usage
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Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Metrics Details
- Usage431
- Downloads243
- Abstract Views188
Report Description
The Neotropical catfish Pterygoplichthys pardalis produces a harsh stridulation sound upon manual capture. This stridulation sound is made on the abduction of the pectoral fin spine, and is accomplished by friction of a ridged dorsal condyle against a rough spinal fossa of the cleithrum in the pectoral girdle. The sound produced has an average frequency of 121 Hz, and is used with other anti-predator adaptations such as bony subdermal armor and defensive fin-spreading. Pterygoplichthys pardalis does not display behavioral modification in response to conspecific stridulation sound, and therefore it is likely that stridulation sound in P. pardalis is being used as a predator deterrent.
Bibliographic Details
http://archives.pdx.edu/ds/psu/23894; http://dx.doi.org/10.15760/etd.6043; https://pdxscholar.library.pdx.edu/open_access_etds/4155; https://pdxscholar.library.pdx.edu/cgi/viewcontent.cgi?article=5169&context=open_access_etds; https://dx.doi.org/10.15760/etd.6043; https://pdxscholar.library.pdx.edu/open_access_etds/4155/
Portland State University Library
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